CVE-2026-57296
Deferred Deferred - Pending Action

Path Traversal in Jenkins External Workspace Manager Plugin

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: Jenkins Project

Description
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.

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Meta Information

Published
2026-06-24
Last Modified
2026-06-24
Generated
2026-07-14
AI Q&A
2026-06-24
EPSS Evaluated
2026-07-13
NVD
CVE-2026-57296
EUVD
EUVD-2026-38777

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jenkinsci external_workspace_manager_plugin to 1.3.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product 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 product 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.

Attack-Flow Graph

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Executive Summary

The vulnerability exists in the Jenkins External Workspace Manager Plugin version 1.3.2 and earlier. It does not properly reject path traversal sequences in the custom workspace path provided to the exwsAllocate Pipeline step.

This flaw allows attackers who have Item/Configure permission to read arbitrary files on the Jenkins controller file system.

Exploiting this vulnerability can potentially lead to remote code execution on the Jenkins controller.

Impact Analysis

If exploited, this vulnerability can allow an attacker with certain permissions to read any file on the Jenkins controller's file system.

This unauthorized file access can expose sensitive information and credentials.

Furthermore, the vulnerability can lead to remote code execution, allowing attackers to run arbitrary code on the Jenkins controller, potentially compromising the entire system.

Compliance Impact

This vulnerability allows attackers with certain permissions to read arbitrary files on the Jenkins controller file system and potentially execute remote code. Such unauthorized access to sensitive data and system control can lead to violations of data protection and security requirements mandated by standards like GDPR and HIPAA.

Specifically, the exposure of sensitive information or unauthorized system control could result in non-compliance with confidentiality, integrity, and availability principles required by these regulations.

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