CVE-2026-40920 is a vulnerability in Apache Ranger
Published on August 10, 2026
Apache Ranger: Privilege Escalation via URL Parameter
Privilege Escalation via URL Parameter is reported in Apache Ranger versions <= 2.8.0.
Users are recommended to upgrade to version 2.9.0, which fixes this issue.
Vulnerability Analysis
CVE-2026-40920 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
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.
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-40920 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2026-40920
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Affected Versions
Apache Software Foundation Apache Ranger:- Before and including 2.8.0 is affected.