CVE-2026-34487

Severity CVSS v4.0:

Pending analysis

Type:

CWE-532 Information Exposure Through Log Files

Publication date:

09/04/2026

Last modified:

14/04/2026

Description

Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.<br /> <br /> 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.<br /> <br /> Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	9.0.13 (including)	9.0.117 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.54 (excluding)
cpe:2.3:a:apache:tomcat::::::::	11.0.0 (including)	11.0.21 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-34487

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools