CVE-2026-65182: CWE-284 Improper Access Control in Apache Software Foundation Apache Tomcat
Description
CVE-2026-65182 is a critical improper access control vulnerability in Apache Tomcat that allows security constraint bypass when a longer path constraint is specified before a more restrictive constraint for a shorter sub-path. This affects multiple versions of Apache Tomcat from 7.0.0 through 11.0.24. The vulnerability can lead to unauthorized access due to incorrect authorization checks. Fixed versions include 11.0.25, 10.1.58, and 9.0.121.
CVSS v3.1
Score 9.1critical
Affected software
Apache Software Foundation
Apache Tomcat
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Tomcat involves improper access control where security constraints are bypassed if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. This incorrect authorization logic affects Apache Tomcat versions from 11.0.0-M1 through 11.0.24, 10.1.0-M1 through 10.1.57, 9.0.0.M1 through 9.0.120, 8.5.0 through 8.5.100, and 7.0.0 through 7.0.109. The issue is addressed by upgrading to versions 11.0.25, 10.1.58, or 9.0.121 and later.
Potential Impact
The vulnerability allows attackers to bypass security constraints, potentially gaining unauthorized access to restricted resources. The CVSS score of 9.1 indicates a critical severity with high impact on confidentiality and integrity without requiring privileges or user interaction.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat versions to 11.0.25, 10.1.58, or 9.0.121 or later, where the issue is fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-21T18:33:56.118Z
- State
- PUBLISHED
Threat ID: 6a8e0eb7acd9273b49c03ed5
Added to database: 08/25/2026, 21:52:55 UTC
Last enriched: 09/09/2026, 21:07:20 UTC
Last updated: 10/10/2026, 06:48:18 UTC
Views: 103
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