CVE-2026-48921CWE-59

CVE-2026-48921

High · published May 27, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00434 · 36.7th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-05-27T19:16Z
Affected products (1)
ProductVersionsFixed in
jenkins/pipeline\< 798.v5cc688825312798.v5cc688825312
References (1)
https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3727 · [email protected]
EPSS history
Timeline
  • 27 MAY 14:13Z
    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…
    cvelistv5