CVE-2026-48529

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

CVE-2026-48529

creationtimestamp| type| source ---|---|--- 2026-06-25 22:35:05+00:00| published-proof-of-concept| https://github.com/github/github-mcp-server/security/advisories/GHSA-pjp5-fpmr-3349 2026-06-26 18:26:46+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mp7l26lvbx2l...