SB2026050407 - Path traversal in Jenkins Credentials Binding plugin



SB2026050407 - Path traversal in Jenkins Credentials Binding plugin

Published: May 4, 2026

Security Bulletin ID SB2026050407
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2026-42520)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and write arbitrary files on the system, leading to arbitrary code execution.


Remediation

Install update from vendor's website.