Improper privilege management in Apache IoTDB - CVE-2026-40009
Published: August 24, 2026
Vulnerability identifier: #VU144728
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40009
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges to full tree-path access.
The vulnerability exists due to improper privilege management in the user account handling logic when renaming an account to __internal_auditor. A remote user can rename their account to __internal_auditor to escalate privileges to full tree-path access.
Affected software
Apache IoTDB
How to mitigate CVE-2026-40009
Install security update from vendor's website.
Apache IoTDB - update to 2.0.10