Jenkins External Workspace Manager Plugin 1.4.1 and earlier does not perform a permission check (1.4.0 and earlier) or performs an improper permission check (1.4.1) when providing access to externally-managed workspaces through the workspace browser, allowing attackers with Overall/Read permission to read files in workspaces they are not authorized to access.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Jenkins Project
  • Jenkins External Workspace Manager Plugin

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References
Link Providers
https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3907 cve-icon
History

Thu, 06 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
Title Permission Check Bypass in Jenkins External Workspace Manager Plugin Allows Unauthorized File Disclosure

Thu, 06 Aug 2026 17:45:00 +0000

Type Values Removed Values Added
Title Permission Check Bypass in Jenkins External Workspace Manager Plugin Allows Unauthorized Workspace File Disclosure
Weaknesses CWE-200
CWE-285

Thu, 06 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

ssvc

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

Wed, 05 Aug 2026 20:00:00 +0000

Type Values Removed Values Added
Title Permission Check Bypass in Jenkins External Workspace Manager Plugin Allows Unauthorized Workspace File Disclosure
First Time appeared Jenkins Project
Jenkins Project jenkins External Workspace Manager Plugin
Weaknesses CWE-200
CWE-285
Vendors & Products Jenkins Project
Jenkins Project jenkins External Workspace Manager Plugin

Wed, 05 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description Jenkins External Workspace Manager Plugin 1.4.1 and earlier does not perform a permission check (1.4.0 and earlier) or performs an improper permission check (1.4.1) when providing access to externally-managed workspaces through the workspace browser, allowing attackers with Overall/Read permission to read files in workspaces they are not authorized to access.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published: 2026-08-05T17:40:33.989Z

Updated: 2026-08-06T14:56:37.701Z

Reserved: 2026-08-04T14:13:20.602Z

Link: CVE-2026-70436

cve-icon Vulnrichment

Updated: 2026-08-06T14:56:14.435Z

cve-icon NVD

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cve-icon Redhat

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