Vulnerability-Lookup

CVE-2026-40009 (GCVE-0-2026-40009)

Vulnerability from cvelistv5 – Published: 2026-07-10 07:15 – Updated: 2026-07-10 17:56

Title

Apache IoTDB: Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor

Summary

Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB. Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor. This issue affects Apache IoTDB: from 2.0.8 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 17:56 UTC

CWE

CWE-269 - Improper Privilege Management
CWE-284 - Improper Access Control

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 927 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/65hh7dh28rcxlzdzw…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/10/6

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache IoTDB	Affected: 2.0.8 , < 2.0.10 (semver)	guessed

Credits

bugbunny.ai

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-07-10T14:54:58.060Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/07/10/6"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-40009",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T17:56:20.929365Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-10T17:56:44.976Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache IoTDB",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "2.0.10",
              "status": "affected",
              "version": "2.0.8",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "bugbunny.ai"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\u003c/span\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 2.0.10, which fixes the issue.\u003c/p\u003e"
            }
          ],
          "value": "Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\nAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\n\n\nThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "important"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284 Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-10T07:15:07.119Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache IoTDB: Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-40009",
    "datePublished": "2026-07-10T07:15:07.119Z",
    "dateReserved": "2026-04-08T09:06:05.914Z",
    "dateUpdated": "2026-07-10T17:56:44.976Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-40009",
      "date": "2026-10-08",
      "epss": "0.00354",
      "percentile": "0.26998"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Apache IoTDB",
                "vendor": "Apache Software Foundation",
                "versions": [
                  {
                    "lessThan": "2.0.10",
                    "status": "affected",
                    "version": "2.0.8",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@apache.org"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\nAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\n\n\nThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."
          }
        ],
        "id": "CVE-2026-40009",
        "lastModified": "2026-07-10T19:17:23.400",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-40009",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T17:56:20.929365Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-07-10T08:16:22.510",
        "references": [
          {
            "source": "security@apache.org",
            "url": "https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2026/07/10/6"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-269"
              },
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "security@apache.org",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2026-07-10T14:54:58.060Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "http://www.openwall.com/lists/oss-security/2026/07/10/6"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
                  "baseScore": 6.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-40009",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-07-10T17:56:20.929365Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-07-10T17:56:38.596Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Apache IoTDB",
              "vendor": "Apache Software Foundation",
              "versions": [
                {
                  "lessThan": "2.0.10",
                  "status": "affected",
                  "version": "2.0.8",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "bugbunny.ai"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003eImproper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\u003c/span\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 2.0.10, which fixes the issue.\u003c/p\u003e"
                }
              ],
              "value": "Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\nAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\n\n\nThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."
            }
          ],
          "metrics": [
            {
              "other": {
                "content": {
                  "text": "important"
                },
                "type": "Textual description of severity"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-269",
                  "description": "CWE-269 Improper Privilege Management",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-284",
                  "description": "CWE-284 Improper Access Control",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-07-10T07:15:07.119Z",
            "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
            "shortName": "apache"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Apache IoTDB: Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "cveId": "CVE-2026-40009",
        "datePublished": "2026-07-10T07:15:07.119Z",
        "dateReserved": "2026-04-08T09:06:05.914Z",
        "dateUpdated": "2026-07-10T17:56:44.976Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-40009

Vulnerability from fkie_nvd - Published: 2026-07-10 08:16 - Updated: 2026-07-10 19:17

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/10/6

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache IoTDB",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "2.0.10",
              "status": "affected",
              "version": "2.0.8",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\nAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\n\n\nThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."
    }
  ],
  "id": "CVE-2026-40009",
  "lastModified": "2026-07-10T19:17:23.400",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-40009",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-10T17:56:20.929365Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-10T08:16:22.510",
  "references": [
    {
      "source": "security@apache.org",
      "url": "https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/10/6"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        },
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}

GHSA-HMRQ-MG25-FH98

Vulnerability from github – Published: 2026-07-10 09:31 – Updated: 2026-07-10 21:32

Details

Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB. Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor.

This issue affects Apache IoTDB: from 2.0.8 before 2.0.10.

Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Severity

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-40009"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-10T08:16:22Z",
    "severity": "MODERATE"
  },
  "details": "Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.\nAuthenticated users can escalate to full tree-path access by renaming\nthemselves to __internal_auditor.\n\n\nThis issue affects Apache IoTDB: from 2.0.8 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.",
  "id": "GHSA-hmrq-mg25-fh98",
  "modified": "2026-07-10T21:32:28Z",
  "published": "2026-07-10T09:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40009"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/10/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-40009 (GCVE-0-2026-40009)

FKIE_CVE-2026-40009

GHSA-HMRQ-MG25-FH98

Tags

Sightings

Nomenclature

Related by attack behaviour