CVE-2026-40009
Received Received - Intake

Privilege Escalation in Apache IoTDB

Publication date: 2026-07-10

Last updated on: 2026-07-10

Assigner: Apache Software Foundation

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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-10
Last Modified
2026-07-10
Generated
2026-07-10
AI Q&A
2026-07-10
EPSS Evaluated
N/A
NVD
CVE-2026-40009
EUVD
EUVD-2026-42837

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
apache iotdb From 2.0.8 (inc) to 2.0.10 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Compliance Impact

This vulnerability allows authenticated users to escalate their privileges to full tree-path access by renaming themselves to __internal_auditor, which constitutes improper privilege management and access control.

Such unauthorized privilege escalation can lead to unauthorized access to sensitive data, potentially violating data protection requirements in standards and regulations like GDPR and HIPAA.

Therefore, if exploited, this vulnerability could compromise compliance with these regulations by failing to adequately protect sensitive information and enforce proper access controls.

Executive Summary

This vulnerability in Apache IoTDB involves improper privilege management and improper access control. Authenticated users can escalate their privileges to gain full tree-path access by renaming themselves to a specific username, __internal_auditor.

Impact Analysis

The vulnerability allows authenticated users to escalate their privileges improperly, potentially granting them full access to the data tree paths within Apache IoTDB. This could lead to unauthorized data access, modification, or other malicious activities within the affected system.

Mitigation Strategies

To mitigate this vulnerability, users are recommended to upgrade Apache IoTDB to version 2.0.10, which fixes the issue.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-40009. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart