{"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_01M5KFHGDEV7RXCTGDRJ28NRYM","modified_at":"2026-07-07T16:11:35.157935325Z","published_at":"2026-06-25T21:32:09Z","references":["https://osv.dev/vulnerability/GHSA-pjp5-fpmr-3349","https://github.com/github/github-mcp-server/security/advisories/GHSA-pjp5-fpmr-3349","https://github.com/github/github-mcp-server"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"GHSA-pjp5-fpmr-3349","url":"https://osv.dev/vulnerability/GHSA-pjp5-fpmr-3349"}],"summary":"GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion"}