CVE-2026-34487

HIGH

Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token

Title source: cna
STIX 2.1

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.

References (2)

Scores

CVSS v3 7.5
EPSS 0.0008
EPSS Percentile 23.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-532
Status published
Products (7)
apache/tomcat 9.0.13 - 9.0.117
Apache Software Foundation/Apache Tomcat 10.1.0-M1 - 10.1.53
Apache Software Foundation/Apache Tomcat 11.0.0-M1 - 11.0.20
Apache Software Foundation/Apache Tomcat 9.0.13 - 9.0.116
org.apache.tomcat/tomcat 9.0.13 - 9.0.117Maven
org.apache.tomcat/tomcat-catalina 9.0.13 - 9.0.117Maven
org.apache.tomcat.embed/tomcat-embed-core 9.0.13 - 9.0.117Maven
Published Apr 09, 2026
Tracked Since Apr 10, 2026