SB20260806106 - Information disclosure¨in Jenkins External Workspace Manager plugin



SB20260806106 - Information disclosure¨in Jenkins External Workspace Manager plugin

Published: August 6, 2026

Security Bulletin ID SB20260806106
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2026-70436)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin does not perform a permission check when providing access to externally-managed workspaces through the workspace browser. A remote user can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.