HIGH 7.5 Maven
Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File
GHSA-x4m4-345f-5h5g · BIT-tomcat-2026-34487 · CVE-2026-34487
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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
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-34487
- WEB https://github.com/apache/tomcat/commit/301bc6efbf72feb14dacfdfa3f50372182736150
- WEB https://github.com/apache/tomcat/commit/5eff2a773b8b728083e5195b3183df1b9e12a03d
- WEB https://github.com/apache/tomcat/commit/f593292a082e5ef9336a8db2b4b522f7f3e36976
- PACKAGE https://github.com/apache/tomcat
- WEB https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h
- 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/2026/04/09/28
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