Jenkins ByteGuard Build Actions Plugin Data Exposure Vulnerability
CVE-2025-64144

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Byteguard Build Actions Plugin
Vendor
CVE Published:
29 October 2025

What is CVE-2025-64144?

The Jenkins ByteGuard Build Actions Plugin version 1.0 has a significant security flaw that involves storing API tokens in unencrypted form within job config.xml files on the Jenkins controller. This vulnerability allows users with Item/Extended Read permissions or those who have access to the Jenkins controller file system to view sensitive API tokens. Such exposure could lead to unauthorized access and misuse of connected services, highlighting the importance of securing sensitive information in configuration files.

Affected Version(s)

Jenkins ByteGuard Build Actions Plugin 0 <= 1.0

References

https://www.jenkins.io/security/advisory/2025-10-29/#SECU...
vendor-advisory

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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