CVE-2026-57296 Details
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.
A path traversal vulnerability has been identified in the Jenkins External Workspace Manager Plugin, versions 1.3.2 and earlier. The vulnerability arises because the plugin does not properly validate the custom workspace path provided to the 'exwsAllocate' Pipeline step, allowing attackers with Item/Configure permission to inject path traversal sequences. This flaw enables the workspace path to escape the designated disk mount point, facilitating access to arbitrary files on the Jenkins controller file system. Such access could lead to remote code execution.
Users of the Jenkins External Workspace Manager Plugin should update to version 1.4.0, which addresses the path traversal vulnerability by rejecting '..' segments in the workspace path and ensuring the path remains within the configured disk mount point.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 24, 2026CISA-ADP
Assessed Jun 24, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3777 | [email protected] | AdvisoryBundleRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Jenkins External Workspace Manager | <= 1.3.2 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 24, 2026 | CVE Modified | CISA-ADP |
| Jun 24, 2026 | New CVE Received | [email protected] |