CVE-2026-34487

CVE-2026-34487: Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token

Vendor Apache Software Foundation
Product Apache Tomcat
Weakness CWE-532 · Sensitive info in logs
Published April 9, 2026
Last update April 10, 2026

CVSS base score

What the vulnerability does

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.

Key dates

Disclosure timeline

April 9, 2026 CVE published
April 10, 2026 Record updated