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________________________________
From: Mark Thomas <ma...@apache.org>
Sent: Monday, June 16, 2025 1:59:33 PM
To: Tomcat Users List <users@tomcat.apache.org>
Cc: annou...@apache.org <annou...@apache.org>; annou...@tomcat.apache.org 
<annou...@tomcat.apache.org>; Tomcat Developers List <d...@tomcat.apache.org>
Subject: [SECURITY] CVE-2025-49125 Apache Tomcat - Security constraint bypass 
for pre/post-resources

CVE-2025-49125 Apache Tomcat - Security constraint bypass for
pre/post-resources

Severity: Moderate

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.7
Apache Tomcat 10.1.0-M1 to 10.1.41
Apache Tomcat 9.0.0.M1 to 9.0.105

Description:
When using PreResources or PostResources mounted other than at the root
of the web application, it was possible to access those resources via an
unexpected path. That path was likely not to be protected by the same
security constraints as the expected path, allowing those security
constraints to be bypassed.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.8 or later
- Upgrade to Apache Tomcat 10.1.42 or later
- Upgrade to Apache Tomcat 9.0.106 or later

Credit:
Greg K (https://github.com/gregk4sec)

History:
2025-06-16 Original advisory

References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html

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