What is CVE-2025-64145?

CVE-2025-64145 is a medium-severity vulnerability in Jenkins Byteguard Build Actions, classified under Missing Encryption of Sensitive Data. CVSS score: 4.3/10. Published 2025-10-29.

How severe is CVE-2025-64145?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Jenkins Byteguard Build Actions

CVE-2025-64145

Jenkins ByteGuard Build Actions Plugin 1.0 does not mask API tokens displayed on the job configuration form, increasing the potential for attackers to observe and capture them.

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Jenkins Byteguard_build_actions — versions 1.0
Jenkins Project Byteguard Build Actions Plugin — versions 0

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-64145?: CVE-2025-64145 is a medium-severity vulnerability in Jenkins Byteguard Build Actions, classified under Missing Encryption of Sensitive Data. CVSS score: 4.3/10. Published 2025-10-29.
How severe is CVE-2025-64145?: Medium severity. CVSS v3 base score is 4.3 out of 10.