GHSA-x4m4-345f-5h5g
Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.apache.tomcat:tomcat-tribes | >= 9.0.13, < 9.0.117 | 9.0.117 |
| Maven | org.apache.tomcat:tomcat-tribes | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
| Maven | org.apache.tomcat:tomcat-tribes | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
| Maven | org.apache.tomcat:tomcat | >= 9.0.13, < 9.0.117 | 9.0.117 |
| Maven | org.apache.tomcat:tomcat | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
| Maven | org.apache.tomcat:tomcat | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 9.0.13, < 9.0.117 | 9.0.117 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
Details
As written in the advisory (Markdown source, shown as plain text).
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
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-34487
- https://github.com/apache/tomcat/commit/301bc6efbf72feb14dacfdfa3f50372182736150
- https://github.com/apache/tomcat/commit/5eff2a773b8b728083e5195b3183df1b9e12a03d
- https://github.com/apache/tomcat/commit/f593292a082e5ef9336a8db2b4b522f7f3e36976
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/04/09/28