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. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →