{"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":0.0041,"exploited":false,"fixed_versions":["1.7.5"],"ghsa_id":"GHSA-v8vw-gw5j-w7m6","id":"tcs_01M5KFNTQDDM03CNZD48THF9BA","modified_at":"2026-09-10T03:50:47.559591959Z","published_at":"2026-05-08T17:02:12Z","references":["https://osv.dev/vulnerability/GHSA-v8vw-gw5j-w7m6","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/pull/1227","https://github.com/modelcontextprotocol/registry/commit/1201cbd82b2cf6d4b56edfc05c763059a12f9fdb","https://github.com/modelcontextprotocol/registry","https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.5"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-v8vw-gw5j-w7m6","url":"https://osv.dev/vulnerability/GHSA-v8vw-gw5j-w7m6"}],"summary":"MCP Registry has open redirect via protocol-relative path in trailing-slash middleware"}