GHSA-gx5v-xp9w-j4cg
Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Quick fix
GHSA-gx5v-xp9w-j4cg — org.apache.tomcat.embed:tomcat-embed-core: upgrade to the fixed version with the command below.
# pom.xml: bump <version>9.0.118</version> for org.apache.tomcat.embed:tomcat-embed-coreDetails
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
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Affected packages
0Fixed in: 9.0.118# pom.xml: bump <version>9.0.118</version> for org.apache.tomcat.embed:tomcat-embed-core10.1.0-M1Fixed in: 10.1.55# pom.xml: bump <version>10.1.55</version> for org.apache.tomcat.embed:tomcat-embed-core11.0.0-M1Fixed in: 11.0.22# pom.xml: bump <version>11.0.22</version> for org.apache.tomcat.embed:tomcat-embed-core0Fixed in: 9.0.118# pom.xml: bump <version>9.0.118</version> for org.apache.tomcat:tomcat10.1.0-M1Fixed in: 10.1.55# pom.xml: bump <version>10.1.55</version> for org.apache.tomcat:tomcat11.0.0-M1Fixed in: 11.0.22# pom.xml: bump <version>11.0.22</version> for org.apache.tomcat:tomcat0Fixed in: 9.0.118# pom.xml: bump <version>9.0.118</version> for org.apache.tomcat:tomcat-catalina10.1.0-M1Fixed in: 10.1.55# pom.xml: bump <version>10.1.55</version> for org.apache.tomcat:tomcat-catalina11.0.0-M1Fixed in: 11.0.22# pom.xml: bump <version>11.0.22</version> for org.apache.tomcat:tomcat-catalinaReferences
- https://nvd.nist.gov/vuln/detail/CVE-2026-41284[ADVISORY]
- https://github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c[WEB]
- https://github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c[WEB]
- https://github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed[WEB]
- https://github.com/apache/tomcat[PACKAGE]
- https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc[WEB]
- https://tomcat.apache.org/security-10.html[WEB]
- https://tomcat.apache.org/security-11.html[WEB]
- https://tomcat.apache.org/security-9.html[WEB]
- http://www.openwall.com/lists/oss-security/2026/05/12/12[WEB]