SB20260918134 - Path traversal in Jenkins Pipeline: Groovy Libraries plugin
Published: September 18, 2026
Security Bulletin ID
SB20260918134
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2026-92131)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to the affected plugin does not restrict that library path to a relative path inside the SCM checkout. A remote user can send a specially crafted HTTP request and read or delete arbitrary files on the system.
Remediation
Install update from vendor's website.