Apache IoTDB Privilege Escalation via __internal_auditor Rename (pre-2.0.10)
CVE-2026-40009 Published on July 10, 2026

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

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-40009 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Types

Improper Privilege Management

The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2026-40009 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2026-40009

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Apache Iotdb
 

Affected Versions

Apache Software Foundation Apache IoTDB:

Exploit Probability

EPSS
0.27%
Percentile
18.33%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.