CVE-2026-48921

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWE

CWE-59

Published

2026-05-27

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• jenkins:pipeline\

Packages (OSV)

References

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

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