CVE-2026-48921

Description

Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem.

PUBLISHED Reserved 2026-05-26 | Published 2026-05-27 | Updated 2026-05-27 | Assigner jenkins

Product status

References

www.jenkins.io/security/advisory/2026-05-27/ (Jenkins Security Advisory 2026-05-27) vendor-advisory

cve.org (CVE-2026-48921)

nvd.nist.gov (CVE-2026-48921)

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