Jenkins MCP Server Plugin 0.177.x - Perm Bypass: Read Replay Scripts Item/Read
CVE-2026-57300 Published on June 24, 2026
A missing permission check in Jenkins MCP Server Plugin 0.177.v629fdb_2557fe and earlier allows attackers with Item/Read permission to read the Pipeline replay scripts of jobs they can access.
Vulnerability Analysis
CVE-2026-57300 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-2026-57300 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-57300
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Affected Versions
Jenkins Project Jenkins MCP Server Plugin:- Version 0.172.174.v9f72da_90a_710 is unaffected.
- Version 0.178.vffe5a_e770f3b_ and below * is unaffected.