{"action":"Upgrade github.com/modelcontextprotocol/registry to 1.7.9 or later.","affected":[{"fixed":"1.7.9","introduced":"0"}],"component":"github.com/modelcontextprotocol/registry","cve_ids":["CVE-2026-45781"],"ecosystem":"Go","epss":0.00233,"exploited":false,"fixed_versions":["1.7.9"],"ghsa_id":"GHSA-2v5f-5r6w-p67r","id":"tcs_01M5KGHAK2JY0RY0TD5J1VS7RN","modified_at":"2026-05-21T18:29:20.742575185Z","published_at":"2026-05-20T19:07:09Z","references":["https://osv.dev/vulnerability/GO-2026-5008","https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-2v5f-5r6w-p67r","https://nvd.nist.gov/vuln/detail/CVE-2026-45781"],"severity":{"label":"low","score":3.5},"sources":[{"source":"osv","source_id":"GO-2026-5008","url":"https://osv.dev/vulnerability/GO-2026-5008"},{"source":"nvd","source_id":"CVE-2026-45781","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45781"}],"summary":"MCP Registry: OCI validator skips ownership check on upstream rate limits in github.com/modelcontextprotocol/registry"}