GHSA-h3x4-894j-xpx5
Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.
The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-68525
- https://github.com/apache/tomcat/commit/10d048e16034ddf12055e0cede0da05b15c823b8
- https://github.com/apache/tomcat/commit/32f0c38526b4e655ff0c17cd97afedefc624fe43
- https://github.com/apache/tomcat/commit/58123aa468a20e2a079b7e0c68a4009e2475c098
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/x1y2lfsgzxwzc456f8954vbvgn03zhd7
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/08/26/7