CVE-2026-40009

EUVD-2026-42837
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apacheiotdb
2.0.8 ≤
𝑥
< 2.0.10
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61
http://www.openwall.com/lists/oss-security/2026/07/10/6