—
GO-2026-5779
GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server
Quick fix
GO-2026-5779 — github.com/github/github-mcp-server: upgrade to the fixed version with the command below.
go get github.com/github/github-mcp-server@v1.1.2Details
GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/github/github-mcp-server
Introduced in:
0.22.0Fixed in: 1.1.2Fix
go get github.com/github/github-mcp-server@v1.1.2