CVE-2026-70436: Medium severity Jenkins External Workspace Manager Plugin vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-70436?
CVE-2026-70436 has a risk rating of 40, indicating a significant security concern.
How do I fix CVE-2026-70436?
To fix CVE-2026-70436, upgrade to Jenkins External Workspace Manager Plugin version 1.4.2 or later.
What types of attacks are possible with CVE-2026-70436?
CVE-2026-70436 allows attackers with Overall/Read permission to access external workspaces without proper authorization.
Which versions of the Jenkins External Workspace Manager Plugin are affected by CVE-2026-70436?
CVE-2026-70436 affects versions 1.4.1 and earlier of the Jenkins External Workspace Manager Plugin.
When was CVE-2026-70436 published?
CVE-2026-70436 was published on August 5, 2026.