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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (4.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Jenkins Byteguard Build Actions — versions 1.0
- Jenkins Project Byteguard Build Actions Plugin — versions 0
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2025-10-29/ (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.