CVE-2026-40920: CWE-269 Improper Privilege Management in Apache Software Foundation Apache Ranger
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-40920) in Apache Ranger is classified under CWE-269 (Improper Privilege Management) and involves privilege escalation through manipulation of a URL parameter. It affects all versions up to 2.8.0 and allows an attacker to gain elevated privileges without authentication. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability. The vendor has fixed this issue in version 2.9.0.
Potential Impact
Successful exploitation allows an unauthenticated attacker to escalate privileges, potentially leading to full system compromise including unauthorized access, modification, and disruption of services managed by Apache Ranger. The critical CVSS score reflects the high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users should upgrade Apache Ranger to version 2.9.0 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated. Patch status is confirmed by the vendor's recommendation to upgrade.
CVE-2026-40920: CWE-269 Improper Privilege Management in Apache Software Foundation Apache Ranger
Description
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.
CVSS v3.1
Score 9.8critical
Affected software
Apache Software Foundation
Apache Ranger
pkg:maven/org.apache.ranger/rangerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-40920) in Apache Ranger is classified under CWE-269 (Improper Privilege Management) and involves privilege escalation through manipulation of a URL parameter. It affects all versions up to 2.8.0 and allows an attacker to gain elevated privileges without authentication. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability. The vendor has fixed this issue in version 2.9.0.
Potential Impact
Successful exploitation allows an unauthenticated attacker to escalate privileges, potentially leading to full system compromise including unauthorized access, modification, and disruption of services managed by Apache Ranger. The critical CVSS score reflects the high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users should upgrade Apache Ranger to version 2.9.0 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated. Patch status is confirmed by the vendor's recommendation to upgrade.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-04-15T18:40:13.104Z
- State
- PUBLISHED
Threat ID: 6a79aae9bf8831d53985a7cd
Added to database: 08/10/2026, 10:41:45 UTC
Last enriched: 08/17/2026, 15:00:33 UTC
Last updated: 09/24/2026, 19:16:40 UTC
Views: 57
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