CVE-2026-48921
Jenkins Pipeline: Groovy Libraries Plugin does not prohibit symbolic links in shared libraries
7.5
HIGH
CVSS 3.1
EPSS 0.30%
Description
Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries. This allows attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem. Pipeline: Groovy Libraries Plugin 798.v5cc688825312 prohibits symbolic links in shared libraries.
How to fix CVE-2026-48921
To remediate CVE-2026-48921, upgrade the affected package to a fixed version below.
- —upgrade to 798.v5cc688825312 or later
Is CVE-2026-48921 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 798.v5cc688825312
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |