Jenkins External Workspace Manager Plugin 1.3.2 Path Traversal RCE
CVE-2026-57296 Published on June 24, 2026
Jenkins External Workspace Manager Plugin 1.3.2 and earlier does not reject path traversal sequences in the custom workspace path provided to the exwsAllocate Pipeline step, allowing attackers with Item/Configure permission to read arbitrary files on the Jenkins controller file system, which can lead to remote code execution.
Vulnerability Analysis
CVE-2026-57296 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-57296 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-57296
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Affected Versions
Jenkins Project Jenkins External Workspace Manager Plugin:- Before and including 1.3.2 is affected.