CVE-2026-68569

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.24 Apache Tomcat versions 10.1.0-M1 through 10.1.57 Apache Tomcat versions 9.0.0.M1 through 9.0.120 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109

Description An improper authentication issue exists where users may be authenticated even if they do not exist in the DataSourceRealm. This occurs under specific circumstances, such as when using CLIENT-CERT or SPNEGO (Simple and Protected GSSAPI Negotiation Security Mechanism, a protocol used for authentication).

Recommendations Upgrade to version 11.0.25 Upgrade to version 10.1.58 Upgrade to version 9.0.121