CVE-2025-46701 Apache Tomcat: Security constraint bypass for CGI scripts

What is CVE-2025-46701?

CVE-2025-46701 is a high-severity vulnerability in Apache Tomcat, published on 29 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.6, from 10.1.0-M1 through 10.1.40, from 9.0.0.M1 through 9.0.104. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.7, 10.1.41 or 9.0.105, which fixes the issue.

Weakness: CWE-178

Which versions are affected by CVE-2025-46701?

17 open source packages ship an affected version, including org.apache.tomcat.embed:tomcat-embed-core, tomcat and org.apache.tomcat:tomcat-catalina. It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2025-46701?

Upgrade org.apache.tomcat.embed:tomcat-embed-core to a fixed version for your release line: 10.1.41, 11.0.7 or 9.0.105.

Is CVE-2025-46701 being exploited?

There is no known exploitation of CVE-2025-46701 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Apache Tomcat

• CVE-2025-24813 Apache Tomcat Path Equivalence Exploited Critical 10.0
• CVE-2016-8735 Apache Tomcat Remote Code Execution Exploited Critical 9.8
• CVE-2017-12617 Apache Tomcat Remote Code Execution Exploited High 8.1
• CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Exploited High 8.1
• CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Exploited High 7.5

All Apache Tomcat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-tomcat-2025-46701, DEBIAN-CVE-2025-46701, GHSA-h2fw-rfh5-95r3, MGASA-2025-0177, OESA-2025-1641, ROOT-APP-MAVEN-CVE-2025-46701 and 1 more.