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CVE-2026-40009

6.5 · MEDIUM

Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB.

Published Jul 10, 2026CWE-269EPSS 0.35%

Overview

CVE-2026-40009 is a medium-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/65hh7dh28rcxlzdzwdpt630321tr8b61Refwww.openwall.com/lists/oss-security/2026/07/10/6

How CyberStrike helps

Frequently asked questions

What is CVE-2026-40009?

CVE-2026-40009 is a medium-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-40009?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-40009?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-40009?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-40009 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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