Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-34487US | — | — | ||
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 af… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/04/09/28WEB
- https://github.com/apache/tomcatPACKAGE
- https://github.com/apache/tomcat/commit/301bc6efbf72feb14dacfdfa3f50372182736150WEB
- https://github.com/apache/tomcat/commit/5eff2a773b8b728083e5195b3183df1b9e12a03dWEB
- https://github.com/apache/tomcat/commit/f593292a082e5ef9336a8db2b4b522f7f3e36976WEB
- https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850hWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34487ADVISORY
- https://tomcat.apache.org/security-10.htmlWEB
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