{"id":"GO-2026-5779","summary":"GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server","details":"GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server","aliases":["CVE-2026-48529","GHSA-pjp5-fpmr-3349"],"modified":"2026-07-07T16:00:20.661126655Z","published":"2026-07-07T15:26:32Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-5779"},"references":[{"type":"ADVISORY","url":"https://github.com/github/github-mcp-server/security/advisories/GHSA-pjp5-fpmr-3349"}],"affected":[{"package":{"name":"github.com/github/github-mcp-server","ecosystem":"Go","purl":"pkg:golang/github.com/github/github-mcp-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.22.0"},{"fixed":"1.1.2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5779.json"}}],"schema_version":"1.7.5"}