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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Jenkins Project Jenkins External Workspace Manager Plugin unaffected
Version Status Constraints
0 affected ≤ 1.3.2

No data.

No data.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3777 cve-icon
History

Wed, 24 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
Title Path Traversal in Jenkins External Workspace Manager Plugin Enables Arbitrary File Read and Remote Code Execution

Wed, 24 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Title Path Traversal in Jenkins External Workspace Manager Plugin Exposes Controller Files
Weaknesses CWE-200

Wed, 24 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Title Path Traversal in Jenkins External Workspace Manager Plugin Exposes Controller Files
Weaknesses CWE-200

Wed, 24 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 24 Jun 2026 13:45:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-06-24T14:37:14.661Z

Reserved: 2026-06-24T08:41:44.358Z

Link: CVE-2026-57296

cve-icon Vulnrichment

Updated: 2026-06-24T14:37:11.677Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T20:30:04Z

Weaknesses