{"action":"Upgrade github.com/github/github-mcp-server to 1.1.0 or later.","affected":[{"fixed":"1.1.0","introduced":"0"}],"component":"github.com/github/github-mcp-server","cve_ids":["CVE-2026-47427"],"ecosystem":"Go","epss":0.00772,"exploited":false,"fixed_versions":["1.1.0"],"ghsa_id":"GHSA-w4q6-qw23-4rg7","id":"tcs_01M5KGRZ8BM0EKKV114RFTJV2B","modified_at":"2026-08-18T15:00:19.847205954Z","published_at":"2026-08-18T14:32:29Z","references":["https://osv.dev/vulnerability/GO-2026-6118","https://github.com/github/github-mcp-server/security/advisories/GHSA-w4q6-qw23-4rg7","https://github.com/github/github-mcp-server/commit/c88d2ecdd3bb07f7bdd75296e3ee676febf14f58","https://github.com/github/github-mcp-server/pull/2502","https://github.com/github/github-mcp-server/releases/tag/v1.1.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-6118","url":"https://osv.dev/vulnerability/GO-2026-6118"},{"source":"nvd","source_id":"CVE-2026-47427","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47427"}],"summary":"GitHub MCP Server has Nil Pointer Dereference DoS in completion/complete Handler in github.com/github/github-mcp-server"}