GitHub Advisoryadvisory · Maven
GHSA-x4m4-345f-5h5g Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File
HIGH
Official page ↗
- Aliases
- CVE-2026-34487
- Ecosystem
- Maven
- Packages
- org.apache.tomcat:tomcat-tribes, org.apache.tomcat:tomcat, org.apache.tomcat.embed:tomcat-embed-core
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-532
- Reviewed
- 2026-04-10
Affected packages
• Maven org.apache.tomcat:tomcat-tribes: >= 9.0.13, < 9.0.117 → fixed in 9.0.117
• Maven org.apache.tomcat:tomcat-tribes: >= 10.1.0-M1, < 10.1.54 → fixed in 10.1.54
• Maven org.apache.tomcat:tomcat-tribes: >= 11.0.0-M1, < 11.0.21 → fixed in 11.0.21
• Maven org.apache.tomcat:tomcat: >= 9.0.13, < 9.0.117 → fixed in 9.0.117
• Maven org.apache.tomcat:tomcat: >= 10.1.0-M1, < 10.1.54 → fixed in 10.1.54
• Maven org.apache.tomcat:tomcat: >= 11.0.0-M1, < 11.0.21 → fixed in 11.0.21
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 9.0.13, < 9.0.117 → fixed in 9.0.117
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 10.1.0-M1, < 10.1.54 → fixed in 10.1.54
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 11.0.0-M1, < 11.0.21 → fixed in 11.0.21
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.
Related
Alias · CVE (1)
- CVE-2026-34487 Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed… vulnerability
Weakness · CWE (1)
- CWE-532 Insertion of Sensitive Information into Log File weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-34487 advisory
- https://github.com/apache/tomcat/commit/301bc6efbf72feb14dacfdfa3f50372182736150 web
- https://github.com/apache/tomcat/commit/5eff2a773b8b728083e5195b3183df1b9e12a03d web
- https://github.com/apache/tomcat/commit/f593292a082e5ef9336a8db2b4b522f7f3e36976 web
- https://github.com/apache/tomcat package
- 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 web