~ / search / GHSA-h6fc-48rj-7qqh

GHSA-h6fc-48rj-7qqh

Apache Tomcat - Digest authenticator will authenticate any unknown user

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-43512

Packages

EcosystemPackageAffectedFixed in
Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118 9.0.118
Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.55 10.1.55
Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.22 11.0.22
Maven org.apache.tomcat:tomcat < 9.0.118 9.0.118
Maven org.apache.tomcat:tomcat >= 10.1.0-M1, < 10.1.55 10.1.55
Maven org.apache.tomcat:tomcat >= 11.0.0-M1, < 11.0.22 11.0.22
Maven org.apache.tomcat:tomcat-catalina < 9.0.118 9.0.118
Maven org.apache.tomcat:tomcat-catalina >= 10.1.0-M1, < 10.1.55 10.1.55
Maven org.apache.tomcat:tomcat-catalina >= 11.0.0-M1, < 11.0.22 11.0.22

Details

As written in the advisory (Markdown source, shown as plain text).

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: When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". 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

References

External links from the advisory. They lead to third-party sites.