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CVE-2026-13508 (GCVE-0-2026-13508)

Vulnerability from cvelistv5 – Published: 2026-06-28 21:45 – Updated: 2026-06-29 13:39
VLAI
Title
khoj-ai khoj Conversation Sharing api_chat.py authorization
Summary
A flaw has been found in khoj-ai khoj up to 2.0.0-beta.28. This impacts an unknown function of the file src/khoj/routers/api_chat.py of the component Conversation Sharing Handler. This manipulation of the argument conversation.agent causes incorrect authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-29 13:39 UTC
CWE
References
URL Tags
https://vuldb.com/vuln/374516 vdb-entrytechnical-description
https://vuldb.com/vuln/374516/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13508 third-party-advisory
https://vuldb.com/submit/838812 third-party-advisory
https://github.com/khoj-ai/khoj/issues/1327 exploitissue-tracking
https://github.com/khoj-ai/khoj/pull/1328 issue-trackingpatch
https://github.com/khoj-ai/khoj/ product
Impacted products
Vendor Product Version CPE status
khoj-ai khoj Affected: 2.0.0-beta.0
Affected: 2.0.0-beta.1
Affected: 2.0.0-beta.2
Affected: 2.0.0-beta.3
Affected: 2.0.0-beta.4
Affected: 2.0.0-beta.5
Affected: 2.0.0-beta.6
Affected: 2.0.0-beta.7
Affected: 2.0.0-beta.8
Affected: 2.0.0-beta.9
Affected: 2.0.0-beta.10
Affected: 2.0.0-beta.11
Affected: 2.0.0-beta.12
Affected: 2.0.0-beta.13
Affected: 2.0.0-beta.14
Affected: 2.0.0-beta.15
Affected: 2.0.0-beta.16
Affected: 2.0.0-beta.17
Affected: 2.0.0-beta.18
Affected: 2.0.0-beta.19
Affected: 2.0.0-beta.20
Affected: 2.0.0-beta.21
Affected: 2.0.0-beta.22
Affected: 2.0.0-beta.23
Affected: 2.0.0-beta.24
Affected: 2.0.0-beta.25
Affected: 2.0.0-beta.26
Affected: 2.0.0-beta.27
Affected: 2.0.0-beta.28
    cpe:2.3:a:khoj-ai:khoj:*:*:*:*:*:*:*:*
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                  "status": "affected",
                  "version": "2.0.0-beta.2"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.3"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.4"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.5"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.6"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.7"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.8"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.9"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.10"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.11"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.12"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.13"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.14"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.15"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.16"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.17"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.18"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.19"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.20"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.21"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.22"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.23"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.24"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.25"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.26"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.27"
                },
                {
                  "status": "affected",
                  "version": "2.0.0-beta.28"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "Dem000000 (VulDB User)"
            },
            {
              "lang": "en",
              "type": "coordinator",
              "value": "VulDB CNA Team"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A flaw has been found in khoj-ai khoj up to 2.0.0-beta.28. This impacts an unknown function of the file src/khoj/routers/api_chat.py of the component Conversation Sharing Handler. This manipulation of the argument conversation.agent causes incorrect authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "baseScore": 5.1,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 6.5,
                "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-863",
                  "description": "Incorrect Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-285",
                  "description": "Improper Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-28T21:45:10.327Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-374516 | khoj-ai khoj Conversation Sharing api_chat.py authorization",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/vuln/374516"
            },
            {
              "name": "VDB-374516 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/374516/cti"
            },
            {
              "name": "CVE-2026-13508 | CVE Analysis and Report",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/cve/CVE-2026-13508"
            },
            {
              "name": "Submit #838812 | Khoj AI Khoj Source commit e8631261400e0a04c5063e91e498b549976ffc53; affected released versions are unknown. CWE-863: Incorrect Authorization",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/838812"
            },
            {
              "tags": [
                "exploit",
                "issue-tracking"
              ],
              "url": "https://github.com/khoj-ai/khoj/issues/1327"
            },
            {
              "tags": [
                "issue-tracking",
                "patch"
              ],
              "url": "https://github.com/khoj-ai/khoj/pull/1328"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/khoj-ai/khoj/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-06-28T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-06-28T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-06-28T08:26:17.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "khoj-ai khoj Conversation Sharing api_chat.py authorization"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-13508",
        "datePublished": "2026-06-28T21:45:10.327Z",
        "dateReserved": "2026-06-28T06:21:13.647Z",
        "dateUpdated": "2026-06-29T13:39:27.222Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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