{"action":"Upgrade github.com/modelcontextprotocol/registry to 1.7.5 or later.","affected":[{"fixed":"1.7.5","introduced":"1.1.0"}],"component":"github.com/modelcontextprotocol/registry","cve_ids":["CVE-2026-44427"],"ecosystem":"Go","epss":0.0047,"exploited":false,"fixed_versions":["1.7.5"],"ghsa_id":"GHSA-v8vw-gw5j-w7m6","id":"tcs_01M5KGNYNV8GVQH85Q5YQ10P7F","modified_at":"2026-06-25T23:01:38.745101605Z","published_at":"2026-06-25T22:34:38Z","references":["https://osv.dev/vulnerability/GO-2026-5658","https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-v8vw-gw5j-w7m6","https://nvd.nist.gov/vuln/detail/CVE-2026-44427","https://github.com/modelcontextprotocol/registry/commit/1201cbd82b2cf6d4b56edfc05c763059a12f9fdb","https://github.com/modelcontextprotocol/registry/pull/1227","https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.5"],"severity":{"label":"unknown","score":0},"sources":[{"source":"osv","source_id":"GO-2026-5658","url":"https://osv.dev/vulnerability/GO-2026-5658"},{"source":"nvd","source_id":"CVE-2026-44427","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44427"}],"summary":"MCP Registry has open redirect via protocol-relative path in trailing-slash middleware in github.com/modelcontextprotocol/registry"}