CVE-2026-48921

Jenkins Pipeline Groovy Libraries Plugin Allows Arbitrary File Read via Symbolic Links

Published May 27, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-qjq3-wqj5-g37q Jenkins Pipeline: Groovy Libraries Plugin does not prohibit symbolic links in shared libraries
History
Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Pipeline Groovy Libraries Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Pipeline Groovy Libraries Plugin
Type Values Removed Values Added
First Time appeared Jenkins
Jenkins pipeline\
CPEs cpe:2.3:a:jenkins:pipeline\:_groovy_libraries:*:*:*:*:*:*:*:*
Vendors & Products Jenkins
Jenkins pipeline\
Type Values Removed Values Added
Title Jenkins Pipeline Groovy Libraries Plugin Allows Arbitrary File Read via Symbolic Links
Type Values Removed Values Added
Title Jenkins Pipeline Groovy Libraries Plugin Symbolic Link Allows Arbitrary File Read
Weaknesses CWE-15
CWE-22
Type Values Removed Values Added
Weaknesses CWE-59
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Jenkins Pipeline Groovy Libraries Plugin Symbolic Link Allows Arbitrary File Read
Weaknesses CWE-15
CWE-22
Type Values Removed Values Added
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
May 27, 2026, 6:35 PM
Reserved
May 26, 2026, 2:50 PM
Status
Analyzed
Published
May 27, 2026, 3:16 PM
Modified
Oct 14, 2026, 8:10 PM