{"vulnerability": "CVE-2026-47427", "sightings": [{"uuid": "35556ae8-5cd3-48ef-bb0e-2f7cbf1df87a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-47427", "type": "published-proof-of-concept", "source": "https://github.com/github/github-mcp-server/security/advisories/GHSA-w4q6-qw23-4rg7", "content": "", "creation_timestamp": "2026-07-28T16:35:07.437931Z"}, {"uuid": "f7062535-9ca1-41b1-9f5c-fb78071624e0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-47427", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mrqjw7fxsn2l", "content": "CVE-2026-47427 - Unauthenticated DoS in GitHub MCP Server before 1.1.0. Nil pointer dereference crashes server. CVSS 7.5. Update to 1.1.0 immediately. #CVE #GitHub #infosec\n\nhttps://www.valtersit.com/cve/CVE-2026-47427/", "creation_timestamp": "2026-07-28T23:12:18.337485Z"}]}