{"action":"Upgrade github.com/github/github-mcp-server to 1.1.2 or later.","affected":[{"fixed":"1.1.2","introduced":"0.22.0"}],"component":"github.com/github/github-mcp-server","cve_ids":["CVE-2026-48529"],"ecosystem":"Go","epss":0.00205,"exploited":false,"fixed_versions":["1.1.2"],"ghsa_id":"GHSA-pjp5-fpmr-3349","id":"tcs_01M5KGPVMGK4DNEHT1KFP6WK50","modified_at":"2026-07-07T16:00:20.661126655Z","published_at":"2026-07-07T15:26:32Z","references":["https://osv.dev/vulnerability/GO-2026-5779","https://github.com/github/github-mcp-server/security/advisories/GHSA-pjp5-fpmr-3349"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5779","url":"https://osv.dev/vulnerability/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"}