Improper handling of case sensitivity in Apache Tomcat - CVE-2025-46701
Published: May 30, 2025 / Updated: March 13, 2026
Vulnerability identifier: #VU109959
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2025-46701
CWE-ID: CWE-178
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Apache Foundation
Affected software:
Apache Tomcat
Apache Tomcat
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to an error when handling URLs on a case insensitive filesystem with security constraints configured for the <code>pathInfo</code> component of a URL that mapped to the CGI servlet. A remote attacker can bypass imposed security constraints via a specially crafted URL.
How to mitigate CVE-2025-46701
Install updates from vendor's website.
Sources
- https://lists.apache.org/thread/qyrz13o6960cfg33tz9ghld647884kvd
- https://github.com/apache/tomcat/commit/fab7247d2f0e3a29d5daef565f829f383e10e5e2
- https://github.com/apache/tomcat/commit/0f01966eb60015d975525019e12a087f05ebf01a
- https://github.com/apache/tomcat/commit/2c6800111e7d8d8d5403c07978ea9bff3db5a5a5
- https://github.com/apache/tomcat/commit/238d2aa54b99f91d1111467e2237d2244c64e558
- https://github.com/apache/tomcat/commit/8df00018a252baa9497615d6420fb6c10466fa74
- https://github.com/apache/tomcat/commit/8cb95ff03221067c511b3fa66d4f745bc4b0a605