CVE-2026-34487

Description

Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

References

• https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h
• http://www.openwall.com/lists/oss-security/2026/04/09/28