Path Traversal in Jenkins Project Pipeline: Groovy Libraries Plugin

CVE-2026-92131

Jenkins Pipeline: Groovy Libraries Plugin 805.va_fc79344957d and earlier does not restrict the library path provided to the library Pipeline step to a relative path inside the SCM checkout, and follows symbolic links to locations outside of the SCM checkout when retrieving the library, resulting in a path traversal vulnerability, allowing attackers able to configure Pipelines to read files in a resources directory and to delete files in a test directory on the Jenkins controller file system.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92131?
CVE-2026-92131 is a medium-severity vulnerability in Jenkins Project Pipeline: Groovy Libraries Plugin, classified under Path Traversal. CVSS score: 4.2/10. Published 2026-09-16.
How severe is CVE-2026-92131?
Medium severity. CVSS v3 base score is 4.2 out of 10.