Medium severity · published Jul 10, 2026
CVE-2026-40009
Apache IoTDB: Authenticated users can escalate to full tree-path access by renaming themselves to __internal_auditor
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Apache IoTDB · Apache Software Foundation
2.0.8 before 2.0.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40009
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40009
lists.apache.org
https://lists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/07/10/6
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