{"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_01M5KFQ47F2A1AA9FXNXGJ42TQ","modified_at":"2026-08-18T15:11:03.662598570Z","published_at":"2026-07-28T14:35:10Z","references":["https://osv.dev/vulnerability/GHSA-w4q6-qw23-4rg7","https://github.com/github/github-mcp-server/security/advisories/GHSA-w4q6-qw23-4rg7","https://github.com/github/github-mcp-server/pull/2502","https://github.com/github/github-mcp-server/commit/c88d2ecdd3bb07f7bdd75296e3ee676febf14f58","https://github.com/github/github-mcp-server","https://github.com/github/github-mcp-server/releases/tag/v1.1.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-w4q6-qw23-4rg7","url":"https://osv.dev/vulnerability/GHSA-w4q6-qw23-4rg7"}],"summary":"GitHub MCP Server has Nil Pointer Dereference DoS in completion/complete Handler"}