Jenkins External Workspace Manager Plugin 1.4.1: Insufficient Permission Check
CVE-2026-70436 Published on August 5, 2026
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.
Vulnerability Analysis
CVE-2026-70436 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 have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-70436 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-70436
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Affected Versions
Jenkins Project Jenkins External Workspace Manager Plugin:- Before and including 1.4.1 is affected.