AIKIDO-2026-10715
github.com/github/github-mcp-server is vulnerable to Improper Access Control
80
High Risk
This Affects:
github.com/github/github-mcp-serverTL;DR
Affected versions of this package are vulnerable due to incorrect authorization checks in lockdown mode. The original implementation relied on GraphQL collaborator-based authorization and contained flawed safety decision logic, missing explicit handling for trusted bots and lacking adequate nil guards in IsSafeContent. This could incorrectly determine push access or repository privacy, allowing malicious users to bypass content filtering under lockdown mode.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
github.com/github/github-mcp-server is vulnerable to Improper Access Control in versions 0.0.1 - 1.0.2.
How to fix this
Upgrade the github.com/github/github-mcp-server library to the patch version.
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