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Advisory details: gitlab / maven/org.apache.tomcat/tomcat-catalina/CVE-2026-68569
Advisory ID gitlab/maven/org.apache.tomcat/tomcat-catalina/CVE-2026-68569
Aliases CVE-2026-68569
Summary Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (4)
CWE-305 Authentication Bypass by Primary Weakness
CWE-287 Improper Authentication
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
There are no known severity scores.
Reference id Reference type URL
https://lists.apache.org/thread/8robqo76q0osxgw0b5lcwgz0hcf9h4zc
CVE-2026-68569 https://nvd.nist.gov/vuln/detail/CVE-2026-68569
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
There are no known vectors.

There are no SSVC decisions available.