{"id":"CGA-x3x9-26v7-f53x","modified":"2026-10-17T17:26:30.531493556Z","published":"2026-10-16T14:02:59Z","upstream":["CVE-2026-59951","GHSA-84m7-p3x7-pcfv"],"references":[{"type":"WEB","url":"https://github.com/modelcontextprotocol/python-sdk/releases/tag/v1.30.0"},{"type":"WEB","url":"https://github.com/modelcontextprotocol/python-sdk/releases/tag/v2.2.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59951.json"},{"type":"ADVISORY","url":"https://github.com/modelcontextprotocol/python-sdk/security/advisories/GHSA-84m7-p3x7-pcfv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59951"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/python-sdk/commit/92120b4b0f50385af096592d7cee932fc1d994e7"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/python-sdk/commit/d2290ca3434731b68ea3e2270bc06a6e6575931b"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/python-sdk/pull/3395"},{"type":"FIX","url":"https://github.com/modelcontextprotocol/python-sdk/pull/3426"}],"affected":[{"package":{"name":"semgrep","ecosystem":"Chainguard","purl":"pkg:apk/chainguard/semgrep?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"ecosystem_specific":{"components":[{"latest_event_timestamp":"2026-10-16T14:02:59Z","component_name":"mcp","component_version":"1.28.1","component_type":"python","component_location":"/opt/chainguard/semgrep/lib/python3.13/site-packages/mcp-1.28.1.dist-info/METADATA","component_purl":"pkg:pypi/mcp@1.28.1","latest_event_status":"detection"}]},"database_specific":{"source":"https://advisories.cgr.dev/chainguard/v3/osv/CGA-x3x9-26v7-f53x.json"}},{"package":{"name":"semgrep","ecosystem":"Wolfi","purl":"pkg:apk/wolfi/semgrep?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"ecosystem_specific":{"components":[{"latest_event_status":"detection","latest_event_timestamp":"2026-10-16T14:02:59Z","component_name":"mcp","component_version":"1.28.1","component_type":"python","component_location":"/opt/chainguard/semgrep/lib/python3.13/site-packages/mcp-1.28.1.dist-info/METADATA","component_purl":"pkg:pypi/mcp@1.28.1"}]},"database_specific":{"source":"https://advisories.cgr.dev/chainguard/v3/osv/CGA-x3x9-26v7-f53x.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}