CVE-2026-40009: Apache IoTDB: Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-10 · updated 2026-10-25
Weakness: CWE-269

Description

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.

Affected products

Apache Software Foundation Apache IoTDB: from 2.0.8 before 2.0.10 — fixed in 2.0.10

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache IoTDB 2.0.10. Check the vendor advisory for mitigations.

References

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