CVE-2026-41284: Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
(updated )
Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected
Description: No limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to unauthenticated users.
Mitigation: Users of the affected versions should apply one of the following mitigations:
- Upgrade to Apache Tomcat 11.0.22 or later
- Upgrade to Apache Tomcat 10.1.55 or later
- Upgrade to Apache Tomcat 9.0.118 or later
Credit: This issue was identified by Dariusz Gońda
References
- github.com/advisories/GHSA-gx5v-xp9w-j4cg
- github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c
- github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c
- github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed
- lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
- nvd.nist.gov/vuln/detail/CVE-2026-41284
- tomcat.apache.org/security-10.html
- tomcat.apache.org/security-11.html
- tomcat.apache.org/security-9.html
Code Behaviors & Features
Detect and mitigate CVE-2026-41284 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →