CVE-2025-46701 Apache Tomcat - CGI security constraint bypass
Severity: Low
Vendor: The Apache Software Foundation
Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.6
Apache Tomcat 10.1.0-M1 to 10.1.40
Apache Tomcat 9.0.0.M1 to 9.0.104
Description:
When running on a case insensitive file system with security constraints
configured for the <code>pathInfo</code> component of a URL that mapped
to the CGI servlet, it was possible to bypass those security constraints
with a specially crafted URL.
Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.7 or later
- Upgrade to Apache Tomcat 10.1.41 or later
- Upgrade to Apache Tomcat 9.0.105 or later
Credit:
The vulnerability was identified by Greg K (https://github.com/gregk4sec)
History:
2025-05-29 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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