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CVE-2026-107911 (GCVE-0-2026-107911)

Vulnerability from nvd – Published: 2026-10-09 05:08 – Updated: 2026-10-09 16:47

Title

Type confusion in FalkorDB GRAPH.QUERY via the --bolt argument

Summary

A type confusion vulnerability in the _read_flags function (src/commands/cmd_dispatcher.c) in FalkorDB before 4.20.0 allows a remote authenticated attacker who can run GRAPH.QUERY to cause a denial of service and possibly disclose or corrupt memory. The function accepts a --bolt argument from any client and casts the following command argument, a Redis string object, to a Bolt client structure without checking its origin; the result-set code then dereferences pointers read from that object. The argument is parsed even when the Bolt endpoint is disabled, so default configurations are affected.

Severity

7.7 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:16 UTC

CWE

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-107911",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-09T16:16:18.088362Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-09T16:47:39.583Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "GRAPH.QUERY command argument parsing"
          ],
          "product": "FalkorDB",
          "programFiles": [
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          ],
          "programRoutines": [
            {
              "name": "_read_flags"
            }
          ],
          "repo": "https://github.com/FalkorDB/FalkorDB",
          "vendor": "FalkorDB",
          "versions": [
            {
              "lessThan": "4.20.0",
              "status": "affected",
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              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A type confusion vulnerability in the _read_flags function (src/commands/cmd_dispatcher.c) in FalkorDB before 4.20.0 allows a remote authenticated attacker who can run GRAPH.QUERY to cause a denial of service and possibly disclose or corrupt memory. The function accepts a --bolt argument from any client and casts the following command argument, a Redis string object, to a Bolt client structure without checking its origin; the result-set code then dereferences pointers read from that object. The argument is parsed even when the Bolt endpoint is disabled, so default configurations are affected."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
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            "version": "3.1"
          },
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-843",
              "description": "CWE-843 Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
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            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-09T05:08:14.899Z",
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          "name": "FalkorDB PR #2170",
          "tags": [
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          "url": "https://github.com/FalkorDB/FalkorDB/pull/2170"
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          "name": "Fix commit",
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          "url": "https://github.com/FalkorDB/FalkorDB/commit/0b11a00b34b25c4d4fdfe55f0a35c8a00593bd7d"
        },
        {
          "name": "FalkorDB 4.20.0 release notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.20.0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.20.0 or later. Bolt protocol support, including the code affected by this issue, was removed in 4.20.0."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Reported to FalkorDB"
        },
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Vendor acknowledged the report"
        },
        {
          "lang": "en",
          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
        },
        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
          "value": "FalkorDB 4.20.0 released without Bolt support"
        },
        {
          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Coordinated disclosure period ended"
        }
      ],
      "title": "Type confusion in FalkorDB GRAPH.QUERY via the --bolt argument",
      "workarounds": [
        {
          "lang": "en",
          "value": "Use Redis ACLs to restrict the GRAPH.QUERY command to trusted users, and do not expose the instance to untrusted networks."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-107911",
    "datePublished": "2026-10-09T05:08:14.899Z",
    "dateReserved": "2026-10-09T04:55:02.081Z",
    "dateUpdated": "2026-10-09T16:47:39.583Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-107910 (GCVE-0-2026-107910)

Vulnerability from nvd – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Authentication bypass in FalkorDB Bolt endpoint via fail-open AUTH probe error handling

Summary

An improper authentication vulnerability in the is_authenticated function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to execute graph queries without credentials through the Bolt endpoint. The function decides whether a password is required by issuing an empty AUTH command to Redis and treats only a WRONGPASS error as meaning that a password is required; any other error, such as LOADING while a dataset is being loaded, MASTERDOWN during replication failover, or OOM under memory pressure, causes the client to be treated as authenticated. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-287 - Improper Authentication

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "Bolt protocol endpoint"
          ],
          "product": "FalkorDB",
          "programFiles": [
            "src/bolt/bolt_api.c"
          ],
          "programRoutines": [
            {
              "name": "is_authenticated"
            }
          ],
          "repo": "https://github.com/FalkorDB/FalkorDB",
          "vendor": "FalkorDB",
          "versions": [
            {
              "lessThan": "4.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper authentication vulnerability in the is_authenticated function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to execute graph queries without credentials through the Bolt endpoint. The function decides whether a password is required by issuing an empty AUTH command to Redis and treats only a WRONGPASS error as meaning that a password is required; any other error, such as LOADING while a dataset is being loaded, MASTERDOWN during replication failover, or OOM under memory pressure, causes the client to be treated as authenticated. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
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        },
        {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "scenarios": [
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              "value": "GENERAL"
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      ],
      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-287",
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-09T05:08:13.092Z",
        "orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "shortName": "securin"
      },
      "references": [
        {
          "name": "FalkorDB PR #2170",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/pull/2170"
        },
        {
          "name": "Fix commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/commit/0b11a00b34b25c4d4fdfe55f0a35c8a00593bd7d"
        },
        {
          "name": "FalkorDB 4.20.0 release notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.20.0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.20.0 or later. Bolt protocol support, including the code affected by this issue, was removed in 4.20.0."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Reported to FalkorDB"
        },
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Vendor acknowledged the report"
        },
        {
          "lang": "en",
          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
        },
        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
          "value": "FalkorDB 4.20.0 released without Bolt support"
        },
        {
          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Coordinated disclosure period ended"
        }
      ],
      "title": "Authentication bypass in FalkorDB Bolt endpoint via fail-open AUTH probe error handling",
      "workarounds": [
        {
          "lang": "en",
          "value": "Leave the Bolt endpoint disabled (do not set the BOLT_PORT module configuration; it is disabled by default), or restrict network access to the Bolt port to trusted clients."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-107910",
    "datePublished": "2026-10-09T05:08:13.092Z",
    "dateReserved": "2026-10-09T04:54:55.521Z",
    "dateUpdated": "2026-10-09T05:08:13.092Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-107909 (GCVE-0-2026-107909)

Vulnerability from nvd – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Pre-authentication heap out-of-bounds write in FalkorDB Bolt WebSocket frame handling via unbounded payload length

Summary

A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the buffer_apply_mask function (src/bolt/buffer.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly corrupt heap memory by sending a WebSocket frame with a 64-bit extended payload length to the Bolt port. The payload length is not bounded, and the only bounds check in buffer_apply_mask is an ASSERT(), which is compiled out in release builds, so the function XORs memory beyond the end of the receive buffer with the attacker-supplied mask key. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "Bolt protocol endpoint"
          ],
          "product": "FalkorDB",
          "programFiles": [
            "src/bolt/ws.c",
            "src/bolt/buffer.c"
          ],
          "programRoutines": [
            {
              "name": "ws_read_frame"
            },
            {
              "name": "buffer_apply_mask"
            }
          ],
          "repo": "https://github.com/FalkorDB/FalkorDB",
          "vendor": "FalkorDB",
          "versions": [
            {
              "lessThan": "4.20.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the buffer_apply_mask function (src/bolt/buffer.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly corrupt heap memory by sending a WebSocket frame with a 64-bit extended payload length to the Bolt port. The payload length is not bounded, and the only bounds check in buffer_apply_mask is an ASSERT(), which is compiled out in release builds, so the function XORs memory beyond the end of the receive buffer with the attacker-supplied mask key. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
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            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
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              "value": "GENERAL"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-09T05:08:12.082Z",
        "orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "shortName": "securin"
      },
      "references": [
        {
          "name": "FalkorDB PR #2170",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/pull/2170"
        },
        {
          "name": "Fix commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/commit/0b11a00b34b25c4d4fdfe55f0a35c8a00593bd7d"
        },
        {
          "name": "FalkorDB 4.20.0 release notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.20.0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.20.0 or later. Bolt protocol support, including the code affected by this issue, was removed in 4.20.0."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Reported to FalkorDB"
        },
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Vendor acknowledged the report"
        },
        {
          "lang": "en",
          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
        },
        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
          "value": "FalkorDB 4.20.0 released without Bolt support"
        },
        {
          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Coordinated disclosure period ended"
        }
      ],
      "title": "Pre-authentication heap out-of-bounds write in FalkorDB Bolt WebSocket frame handling via unbounded payload length",
      "workarounds": [
        {
          "lang": "en",
          "value": "Leave the Bolt endpoint disabled (do not set the BOLT_PORT module configuration; it is disabled by default), or restrict network access to the Bolt port to trusted clients."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-107909",
    "datePublished": "2026-10-09T05:08:12.082Z",
    "dateReserved": "2026-10-09T04:54:48.677Z",
    "dateUpdated": "2026-10-09T05:08:12.082Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-107908 (GCVE-0-2026-107908)

Vulnerability from nvd – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Pre-authentication heap out-of-bounds write in FalkorDB Bolt BoltReadHandler via RESET message

Summary

A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly execute arbitrary code by sending a Bolt RESET message with an attacker-chosen chunk size to the Bolt port. The handler checks the size only with ASSERT(), which is compiled out in release builds, then computes a destination pointer from the wire-supplied 16-bit size and moves buffered data up to about 64 KiB backwards past the start of the read buffer. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "Bolt protocol endpoint"
          ],
          "product": "FalkorDB",
          "programFiles": [
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          "programRoutines": [
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              "name": "BoltReadHandler"
            }
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              "status": "affected",
              "version": "0",
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
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        {
          "lang": "en",
          "value": "A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly execute arbitrary code by sending a Bolt RESET message with an attacker-chosen chunk size to the Bolt port. The handler checks the size only with ASSERT(), which is compiled out in release builds, then computes a destination pointer from the wire-supplied 16-bit size and moves buffered data up to about 64 KiB backwards past the start of the read buffer. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
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        }
      ],
      "providerMetadata": {
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        "orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "shortName": "securin"
      },
      "references": [
        {
          "name": "FalkorDB PR #2170",
          "tags": [
            "patch"
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          "url": "https://github.com/FalkorDB/FalkorDB/pull/2170"
        },
        {
          "name": "Fix commit",
          "tags": [
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          "url": "https://github.com/FalkorDB/FalkorDB/commit/0b11a00b34b25c4d4fdfe55f0a35c8a00593bd7d"
        },
        {
          "name": "FalkorDB 4.20.0 release notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.20.0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.20.0 or later. Bolt protocol support, including the code affected by this issue, was removed in 4.20.0."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Reported to FalkorDB"
        },
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Vendor acknowledged the report"
        },
        {
          "lang": "en",
          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
        },
        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
          "value": "FalkorDB 4.20.0 released without Bolt support"
        },
        {
          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Coordinated disclosure period ended"
        }
      ],
      "title": "Pre-authentication heap out-of-bounds write in FalkorDB Bolt BoltReadHandler via RESET message",
      "workarounds": [
        {
          "lang": "en",
          "value": "Leave the Bolt endpoint disabled (do not set the BOLT_PORT module configuration; it is disabled by default), or restrict network access to the Bolt port to trusted clients."
        }
      ]
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  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
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    "cveId": "CVE-2026-107908",
    "datePublished": "2026-10-09T05:08:06.419Z",
    "dateReserved": "2026-10-09T04:54:39.618Z",
    "dateUpdated": "2026-10-09T05:08:06.419Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-7827 (GCVE-0-2026-7827)

Vulnerability from nvd – Published: 2026-10-09 04:04 – Updated: 2026-10-09 16:47

Title

Stack-based buffer overflow in FalkorDB _RdbLoadEntity via unbounded property count in crafted RDB

Summary

A stack-based buffer overflow in the _RdbLoadEntity function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service and possibly execute arbitrary code by supplying a crafted RDB stream with an attacker-controlled entity property count. The count sizes two variable-length arrays on the thread stack with no upper bound, and the decoder then fills them with attacker-supplied values.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:16 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1973	patch
https://github.com/FalkorDB/FalkorDB/commit/7d154…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.4 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-7827",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
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                "timestamp": "2026-10-09T16:16:19.507878Z",
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        "providerMetadata": {
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "cpes": [
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          ],
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            "src/serializers/decoders/prev/v18/decode_graph_entities.c",
            "src/serializers/decoders/prev/v17/decode_graph_entities.c",
            "src/serializers/decoders/prev/v16/decode_graph_entities.c",
            "src/serializers/decoders/prev/v15/decode_graph_entities.c",
            "src/serializers/decoders/prev/v14/decode_graph_entities.c",
            "src/serializers/decoders/prev/v13/decode_graph_entities.c",
            "src/serializers/decoders/prev/v12/decode_graph_entities.c",
            "src/serializers/decoders/prev/v11/decode_graph_entities.c",
            "src/serializers/decoders/prev/v10/decode_graph_entities.c"
          ],
          "programRoutines": [
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              "name": "_RdbLoadEntity"
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          ],
          "repo": "https://github.com/FalkorDB/FalkorDB",
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          "type": "finder",
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          "value": "A stack-based buffer overflow in the _RdbLoadEntity function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service and possibly execute arbitrary code by supplying a crafted RDB stream with an attacker-controlled entity property count. The count sizes two variable-length arrays on the thread stack with no upper bound, and the decoder then fills them with attacker-supplied values."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
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      },
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          "name": "FalkorDB PR #1973",
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        },
        {
          "name": "FalkorDB 4.18.4 release notes",
          "tags": [
            "release-notes"
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          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.18.4"
        }
      ],
      "solutions": [
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          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.18.4 or later."
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      },
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          "lang": "en",
          "time": "2026-04-24T00:00:00.000Z",
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          "time": "2026-05-05T00:00:00.000Z",
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          "time": "2026-05-07T00:00:00.000Z",
          "value": "Fix merged by the vendor (PR #1973)"
        },
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          "lang": "en",
          "time": "2026-05-07T00:00:00.000Z",
          "value": "FalkorDB 4.18.4 released with the fix"
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      "title": "Stack-based buffer overflow in FalkorDB _RdbLoadEntity via unbounded property count in crafted RDB",
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          "lang": "en",
          "value": "Require authentication on the Redis/FalkorDB instance (requirepass or ACLs), restrict or rename the REPLICAOF/SLAVEOF commands so untrusted clients cannot use them, and do not expose the instance to untrusted networks."
        }
      ]
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}

CVE-2026-7826 (GCVE-0-2026-7826)

Vulnerability from nvd – Published: 2026-10-09 04:04 – Updated: 2026-10-09 04:04

Title

Heap out-of-bounds read in FalkorDB BufferSerializerIOv2_ReadBuffer via crafted RDB

Summary

A heap-based out-of-bounds read in the BufferSerializerIOv2_ReadBuffer function (src/serializers/serializer_io.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or disclose heap memory by supplying a crafted RDB stream whose sub-buffer length field exceeds the remaining buffer size. The only bounds check is an ASSERT(), which is compiled out in release builds, so memcpy() reads past the end of the heap allocation.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1972	patch
https://github.com/FalkorDB/FalkorDB/commit/55d98…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.4 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "RDB serializer / graph decoder"
          ],
          "product": "FalkorDB",
          "programFiles": [
            "src/serializers/serializer_io.c"
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          "programRoutines": [
            {
              "name": "BufferSerializerIOv2_ReadBuffer"
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          ],
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        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
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          "lang": "en",
          "value": "A heap-based out-of-bounds read in the BufferSerializerIOv2_ReadBuffer function (src/serializers/serializer_io.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or disclose heap memory by supplying a crafted RDB stream whose sub-buffer length field exceeds the remaining buffer size. The only bounds check is an ASSERT(), which is compiled out in release builds, so memcpy() reads past the end of the heap allocation."
        }
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          "capecId": "CAPEC-540",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-540 Overread Buffers"
            }
          ]
        }
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      "metrics": [
        {
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      "providerMetadata": {
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          "name": "FalkorDB PR #1972",
          "tags": [
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          "name": "Fix commit",
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      "solutions": [
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          "lang": "en",
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          "lang": "en",
          "time": "2026-04-24T00:00:00.000Z",
          "value": "Reported to FalkorDB"
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          "lang": "en",
          "time": "2026-05-07T00:00:00.000Z",
          "value": "FalkorDB 4.18.4 released with the fix"
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          "lang": "en",
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CVE-2026-5759 (GCVE-0-2026-5759)

Vulnerability from nvd – Published: 2026-10-09 04:04 – Updated: 2026-10-09 04:04

Title

Double free and use-after-free in FalkorDB RdbLoadDeletedNodes allows remote code execution via crafted RDB

Summary

A double free and use-after-free vulnerability in the RdbLoadDeletedNodes function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.1 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or execute arbitrary code in the redis-server process by supplying a crafted RDB stream whose deleted-nodes buffer length is not a multiple of sizeof(NodeID). The length check relies on ASSERT(), which is compiled out in release builds, so the function continues after freeing the buffer, reading it and freeing it a second time.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-415 - Double Free
CWE-416 - Use After Free

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1843	patch
https://github.com/FalkorDB/FalkorDB/commit/523d9…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.1 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

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CVE-2026-10130 (GCVE-0-2026-10130)

Vulnerability from nvd – Published: 2026-07-18 22:15 – Updated: 2026-07-21 14:25

Title

QueryWeaver Authentication Bypass via Email Signup Token Issuance for Existing Accounts

Summary

QueryWeaver contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid session tokens for existing accounts by submitting a signup request with a known victim email address. The signup route unconditionally creates and links a new token to the matching Identity via a Cypher MERGE operation before checking whether the email belongs to an existing account, causing the server to return a valid authenticated session token for the victim's identity without requiring any prior credentials or user interaction.

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-21 14:24 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5401 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/QueryWeaver	product
https://github.com/FalkorDB/QueryWeaver/commit/e6…	patch
https://www.vulncheck.com/advisories/queryweaver-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
FalkorDB	QueryWeaver	Affected: 0 , ≤ 0.2.0 (git) Unaffected: 0.3.1 (git)

Date Public

2026-07-18 00:00

Credits

Katriel Moses

Show details on NVD website

JSON

To clipboard

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CVE-2026-6057 (GCVE-0-2026-6057)

Vulnerability from nvd – Published: 2026-04-10 09:16 – Updated: 2026-04-10 20:25

Title

Unauthenticated Path Traversal in FalkorDB Browser Leads to Remote Code Execution

Summary

FalkorDB Browser 1.9.3 contains an unauthenticated path traversal vulnerability in the file upload API that allows remote attackers to write arbitrary files and achieve remote code execution.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-10 20:24 UTC

CWE

CWE-22 - Path Traversal

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/FalkorDB/falkordb-browser
https://github.com/FalkorDB/falkordb-browser/pull/1611

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB Browser	Affected: 1.9.3

Credits

Ramesh Gunnam from Securin

Show details on NVD website

JSON

To clipboard

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CVE-2026-107911 (GCVE-0-2026-107911)

Vulnerability from cvelistv5 – Published: 2026-10-09 05:08 – Updated: 2026-10-09 16:47

Title

Type confusion in FalkorDB GRAPH.QUERY via the --bolt argument

Summary

A type confusion vulnerability in the _read_flags function (src/commands/cmd_dispatcher.c) in FalkorDB before 4.20.0 allows a remote authenticated attacker who can run GRAPH.QUERY to cause a denial of service and possibly disclose or corrupt memory. The function accepts a --bolt argument from any client and casts the following command argument, a Redis string object, to a Bolt client structure without checking its origin; the result-set code then dereferences pointers read from that object. The argument is parsed even when the Bolt endpoint is disabled, so default configurations are affected.

Severity

7.7 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:16 UTC

CWE

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-107911",
                "options": [
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                    "Exploitation": "none"
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          "cpes": [
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          "programRoutines": [
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              "name": "_read_flags"
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      ],
      "solutions": [
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        "discovery": "EXTERNAL"
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          "time": "2026-06-29T00:00:00.000Z",
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          "time": "2026-06-29T00:00:00.000Z",
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          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
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        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
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          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
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        }
      ],
      "title": "Type confusion in FalkorDB GRAPH.QUERY via the --bolt argument",
      "workarounds": [
        {
          "lang": "en",
          "value": "Use Redis ACLs to restrict the GRAPH.QUERY command to trusted users, and do not expose the instance to untrusted networks."
        }
      ]
    }
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    "cveId": "CVE-2026-107911",
    "datePublished": "2026-10-09T05:08:14.899Z",
    "dateReserved": "2026-10-09T04:55:02.081Z",
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    "state": "PUBLISHED"
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}

CVE-2026-107910 (GCVE-0-2026-107910)

Vulnerability from cvelistv5 – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Authentication bypass in FalkorDB Bolt endpoint via fail-open AUTH probe error handling

Summary

An improper authentication vulnerability in the is_authenticated function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to execute graph queries without credentials through the Bolt endpoint. The function decides whether a password is required by issuing an empty AUTH command to Redis and treats only a WRONGPASS error as meaning that a password is required; any other error, such as LOADING while a dataset is being loaded, MASTERDOWN during replication failover, or OOM under memory pressure, causes the client to be treated as authenticated. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-287 - Improper Authentication

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "Bolt protocol endpoint"
          ],
          "product": "FalkorDB",
          "programFiles": [
            "src/bolt/bolt_api.c"
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          "programRoutines": [
            {
              "name": "is_authenticated"
            }
          ],
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper authentication vulnerability in the is_authenticated function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to execute graph queries without credentials through the Bolt endpoint. The function decides whether a password is required by issuing an empty AUTH command to Redis and treats only a WRONGPASS error as meaning that a password is required; any other error, such as LOADING while a dataset is being loaded, MASTERDOWN during replication failover, or OOM under memory pressure, causes the client to be treated as authenticated. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
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          "name": "Fix commit",
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      "solutions": [
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        "discovery": "EXTERNAL"
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          "lang": "en",
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          "value": "Vendor acknowledged the report"
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          "time": "2026-09-27T00:00:00.000Z",
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}

CVE-2026-107909 (GCVE-0-2026-107909)

Vulnerability from cvelistv5 – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Pre-authentication heap out-of-bounds write in FalkorDB Bolt WebSocket frame handling via unbounded payload length

Summary

A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the buffer_apply_mask function (src/bolt/buffer.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly corrupt heap memory by sending a WebSocket frame with a 64-bit extended payload length to the Bolt port. The payload length is not bounded, and the only bounds check in buffer_apply_mask is an ASSERT(), which is compiled out in release builds, so the function XORs memory beyond the end of the receive buffer with the attacker-supplied mask key. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
            "cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*"
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        }
      ],
      "impacts": [
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          "capecId": "CAPEC-100",
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          "time": "2026-06-29T00:00:00.000Z",
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        }
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  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-107908 (GCVE-0-2026-107908)

Vulnerability from cvelistv5 – Published: 2026-10-09 05:08 – Updated: 2026-10-09 05:08

Title

Pre-authentication heap out-of-bounds write in FalkorDB Bolt BoltReadHandler via RESET message

Summary

A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly execute arbitrary code by sending a Bolt RESET message with an attacker-chosen chunk size to the Bolt port. The handler checks the size only with ASSERT(), which is compiled out in release builds, then computes a destination pointer from the wire-supplied 16-bit size and moves buffered data up to about 64 KiB backwards past the start of the read buffer. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/2170	patch
https://github.com/FalkorDB/FalkorDB/commit/0b11a…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.20.0 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
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          "lang": "en",
          "value": "A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c) in FalkorDB before 4.20.0 allows a remote unauthenticated attacker to cause a denial of service and possibly execute arbitrary code by sending a Bolt RESET message with an attacker-chosen chunk size to the Bolt port. The handler checks the size only with ASSERT(), which is compiled out in release builds, then computes a destination pointer from the wire-supplied 16-bit size and moves buffered data up to about 64 KiB backwards past the start of the read buffer. Only deployments that enable the Bolt endpoint (BOLT_PORT, disabled by default) are affected."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
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            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
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          "name": "FalkorDB PR #2170",
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        {
          "name": "FalkorDB 4.20.0 release notes",
          "tags": [
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          "url": "https://github.com/FalkorDB/FalkorDB/releases/tag/v4.20.0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade FalkorDB to version 4.20.0 or later. Bolt protocol support, including the code affected by this issue, was removed in 4.20.0."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Reported to FalkorDB"
        },
        {
          "lang": "en",
          "time": "2026-06-29T00:00:00.000Z",
          "value": "Vendor acknowledged the report"
        },
        {
          "lang": "en",
          "time": "2026-07-08T00:00:00.000Z",
          "value": "Vendor removed Bolt protocol support (PR #2170)"
        },
        {
          "lang": "en",
          "time": "2026-07-13T00:00:00.000Z",
          "value": "FalkorDB 4.20.0 released without Bolt support"
        },
        {
          "lang": "en",
          "time": "2026-09-27T00:00:00.000Z",
          "value": "Coordinated disclosure period ended"
        }
      ],
      "title": "Pre-authentication heap out-of-bounds write in FalkorDB Bolt BoltReadHandler via RESET message",
      "workarounds": [
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          "lang": "en",
          "value": "Leave the Bolt endpoint disabled (do not set the BOLT_PORT module configuration; it is disabled by default), or restrict network access to the Bolt port to trusted clients."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-107908",
    "datePublished": "2026-10-09T05:08:06.419Z",
    "dateReserved": "2026-10-09T04:54:39.618Z",
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    "state": "PUBLISHED"
  },
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}

CVE-2026-7826 (GCVE-0-2026-7826)

Vulnerability from cvelistv5 – Published: 2026-10-09 04:04 – Updated: 2026-10-09 04:04

Title

Heap out-of-bounds read in FalkorDB BufferSerializerIOv2_ReadBuffer via crafted RDB

Summary

A heap-based out-of-bounds read in the BufferSerializerIOv2_ReadBuffer function (src/serializers/serializer_io.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or disclose heap memory by supplying a crafted RDB stream whose sub-buffer length field exceeds the remaining buffer size. The only bounds check is an ASSERT(), which is compiled out in release builds, so memcpy() reads past the end of the heap allocation.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1972	patch
https://github.com/FalkorDB/FalkorDB/commit/55d98…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.4 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
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      "affected": [
        {
          "collectionURL": "https://github.com/FalkorDB/FalkorDB",
          "cpes": [
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          ],
          "defaultStatus": "unaffected",
          "modules": [
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          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
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          "lang": "en",
          "value": "A heap-based out-of-bounds read in the BufferSerializerIOv2_ReadBuffer function (src/serializers/serializer_io.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or disclose heap memory by supplying a crafted RDB stream whose sub-buffer length field exceeds the remaining buffer size. The only bounds check is an ASSERT(), which is compiled out in release builds, so memcpy() reads past the end of the heap allocation."
        }
      ],
      "impacts": [
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          "capecId": "CAPEC-540",
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          "time": "2026-04-24T00:00:00.000Z",
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          "time": "2026-05-05T00:00:00.000Z",
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          "time": "2026-05-07T00:00:00.000Z",
          "value": "Fix merged by the vendor (PR #1972)"
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          "lang": "en",
          "time": "2026-05-07T00:00:00.000Z",
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CVE-2026-7827 (GCVE-0-2026-7827)

Vulnerability from cvelistv5 – Published: 2026-10-09 04:04 – Updated: 2026-10-09 16:47

Title

Stack-based buffer overflow in FalkorDB _RdbLoadEntity via unbounded property count in crafted RDB

Summary

A stack-based buffer overflow in the _RdbLoadEntity function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service and possibly execute arbitrary code by supplying a crafted RDB stream with an attacker-controlled entity property count. The count sizes two variable-length arrays on the thread stack with no upper bound, and the decoder then fills them with attacker-supplied values.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:16 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1973	patch
https://github.com/FalkorDB/FalkorDB/commit/7d154…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.4 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-7827",
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      ]
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CVE-2026-5759 (GCVE-0-2026-5759)

Vulnerability from cvelistv5 – Published: 2026-10-09 04:04 – Updated: 2026-10-09 04:04

Title

Double free and use-after-free in FalkorDB RdbLoadDeletedNodes allows remote code execution via crafted RDB

Summary

A double free and use-after-free vulnerability in the RdbLoadDeletedNodes function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.1 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service or execute arbitrary code in the redis-server process by supplying a crafted RDB stream whose deleted-nodes buffer length is not a multiple of sizeof(NodeID). The length check relies on ASSERT(), which is compiled out in release builds, so the function continues after freeing the buffer, reading it and freeing it a second time.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-415 - Double Free
CWE-416 - Use After Free

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/FalkorDB/pull/1843	patch
https://github.com/FalkorDB/FalkorDB/commit/523d9…	patch
https://github.com/FalkorDB/FalkorDB/releases/tag…	release-notes

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB	Affected: 0 , < 4.18.1 (semver) cpe:2.3:a:falkordb:falkordb::::::::

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

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CVE-2026-10130 (GCVE-0-2026-10130)

Vulnerability from cvelistv5 – Published: 2026-07-18 22:15 – Updated: 2026-07-21 14:25

Title

QueryWeaver Authentication Bypass via Email Signup Token Issuance for Existing Accounts

Summary

QueryWeaver contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid session tokens for existing accounts by submitting a signup request with a known victim email address. The signup route unconditionally creates and links a new token to the matching Identity via a Cypher MERGE operation before checking whether the email belongs to an existing account, causing the server to return a valid authenticated session token for the victim's identity without requiring any prior credentials or user interaction.

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-21 14:24 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5401 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/FalkorDB/QueryWeaver	product
https://github.com/FalkorDB/QueryWeaver/commit/e6…	patch
https://www.vulncheck.com/advisories/queryweaver-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
FalkorDB	QueryWeaver	Affected: 0 , ≤ 0.2.0 (git) Unaffected: 0.3.1 (git)

Date Public

2026-07-18 00:00

Credits

Katriel Moses

Show details on NVD website

JSON

To clipboard

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CVE-2026-6057 (GCVE-0-2026-6057)

Vulnerability from cvelistv5 – Published: 2026-04-10 09:16 – Updated: 2026-04-10 20:25

Title

Unauthenticated Path Traversal in FalkorDB Browser Leads to Remote Code Execution

Summary

FalkorDB Browser 1.9.3 contains an unauthenticated path traversal vulnerability in the file upload API that allows remote attackers to write arbitrary files and achieve remote code execution.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-10 20:24 UTC

CWE

CWE-22 - Path Traversal

Assigner

securin CNA under the mitre root

CNA scorecard B 80/100 over 70 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/FalkorDB/falkordb-browser
https://github.com/FalkorDB/falkordb-browser/pull/1611

Impacted products

1 product

Vendor	Product	Version
FalkorDB	FalkorDB Browser	Affected: 1.9.3

Credits

Ramesh Gunnam from Securin

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
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18 vulnerabilities by FalkorDB

CVE-2026-107911 (GCVE-0-2026-107911)

CVE-2026-107910 (GCVE-0-2026-107910)

CVE-2026-107909 (GCVE-0-2026-107909)

CVE-2026-107908 (GCVE-0-2026-107908)

CVE-2026-7827 (GCVE-0-2026-7827)

CVE-2026-7826 (GCVE-0-2026-7826)

CVE-2026-5759 (GCVE-0-2026-5759)

CVE-2026-10130 (GCVE-0-2026-10130)

CVE-2026-6057 (GCVE-0-2026-6057)

CVE-2026-107911 (GCVE-0-2026-107911)

CVE-2026-107910 (GCVE-0-2026-107910)

CVE-2026-107909 (GCVE-0-2026-107909)

CVE-2026-107908 (GCVE-0-2026-107908)

CVE-2026-7826 (GCVE-0-2026-7826)

CVE-2026-7827 (GCVE-0-2026-7827)

CVE-2026-5759 (GCVE-0-2026-5759)

CVE-2026-10130 (GCVE-0-2026-10130)

CVE-2026-6057 (GCVE-0-2026-6057)

Find a vulnerability

Search criteria ⓘ Use this form to refine search results. Full-text search supports keyword queries with ranking and filtering. You can combine vendor, product, and sources to narrow results. Enable “Apply ordering” to sort by date instead of relevance.

18 vulnerabilities by FalkorDB

CVE-2026-107911 (GCVE-0-2026-107911)

CVE-2026-107910 (GCVE-0-2026-107910)

CVE-2026-107909 (GCVE-0-2026-107909)

CVE-2026-107908 (GCVE-0-2026-107908)

CVE-2026-7827 (GCVE-0-2026-7827)

CVE-2026-7826 (GCVE-0-2026-7826)

CVE-2026-5759 (GCVE-0-2026-5759)

CVE-2026-10130 (GCVE-0-2026-10130)

CVE-2026-6057 (GCVE-0-2026-6057)

CVE-2026-107911 (GCVE-0-2026-107911)

CVE-2026-107910 (GCVE-0-2026-107910)

CVE-2026-107909 (GCVE-0-2026-107909)

CVE-2026-107908 (GCVE-0-2026-107908)

CVE-2026-7826 (GCVE-0-2026-7826)

CVE-2026-7827 (GCVE-0-2026-7827)

CVE-2026-5759 (GCVE-0-2026-5759)

CVE-2026-10130 (GCVE-0-2026-10130)

CVE-2026-6057 (GCVE-0-2026-6057)

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