Privilege escalation in Jenkins Job Import
CVE-2026-48926
Jenkins Job Import Plugin 143.v044a_2e819b_27 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.
Vulnerability class: Privilege Escalation
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: 0.003 (18.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.5% 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: 0.003 · change: +0.001
Affected products
- Jenkins Job Import — versions 143.v044a_2e819b_27
- Jenkins Project Job Import Plugin — versions 0
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2026-05-27/ (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-48926?
- CVE-2026-48926 is a medium-severity vulnerability in Jenkins Job Import, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2026-05-27.
- How severe is CVE-2026-48926?
- Medium severity. CVSS v3 base score is 4.3 out of 10.