High severity7.5NVD Advisory· Published Apr 9, 2026· Updated Apr 14, 2026
CVE-2026-34487
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tomcat:tomcat-catalinaMaven | >= 9.0.13, < 9.0.117 | 9.0.117 |
org.apache.tomcat:tomcat-catalinaMaven | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
org.apache.tomcat:tomcat-catalinaMaven | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
org.apache.tomcat:tomcatMaven | >= 9.0.13, < 9.0.117 | 9.0.117 |
org.apache.tomcat:tomcatMaven | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
org.apache.tomcat:tomcatMaven | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 9.0.13, < 9.0.117 | 9.0.117 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 10.1.0-M1, < 10.1.54 | 10.1.54 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 11.0.0-M1, < 11.0.21 | 11.0.21 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- www.openwall.com/lists/oss-security/2026/04/09/28nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-x4m4-345f-5h5gghsaADVISORY
- lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850hnvdMailing ListVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34487ghsaADVISORY
News mentions
0No linked articles in our index yet.