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CVE-2026-34487

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

Published: Apr 9, 2026Updated: Apr 14, 2026 Sources: CVE List NVD BDUCWE-532
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 64.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-532

Affected Products

tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
АЛЬТ СП 10АО «ИВК»
On-premOS
Operating Systems / linux-distro
Jboss Web ServerRed Hat Inc.
On-premWeb App
Web & CMS Plugins
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
red hat inc.commercialUSOperating Systemsaka red hat
ооо «ред софт»commercialRUOperating Systemsaka red soft
ао «ивк»commercialRUOperating Systemsaka ivk
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h
lists.apache.org
http://www.openwall.com/lists/oss-security/2026/04/09/28
openwall.com
http://www.openwall.com/lists/oss-security/2026/04/09/28
openwall.com
and 5 more references View all →

Timeline

Published
Apr 9, 2026
Last Updated
Apr 14, 2026

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