CVE-2026-48921

HIGH

Jenkins Pipeline: Groovy Libraries Plugin < 797.v90ea_a_9b_e45a_0 - Arbitrary File Read

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

Jenkins Security Advisory 2026-05-27

https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3727

Scores

CVSS v3 7.5

EPSS 0.0030

EPSS Percentile 21.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-59

Status published

Products (2)

jenkins/pipeline\ < 798.v5cc688825312

Jenkins Project/Jenkins Pipeline: Groovy Libraries Plugin < 797.v90ea_a_9b_e45a_0

Published May 27, 2026

Tracked Since May 27, 2026