{"schema_version":1,"title":"Model Context Protocol Registry vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Model Context Protocol Registry: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44428, was published on 14 May 2026.","url":"https://junglewise.ai/threats/technologies/registry","json_url":"https://junglewise.ai/threats/technologies/registry.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/registry","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":5},"latest":[{"cve":"CVE-2026-44428","cvss":4.7,"epss":0.0027,"slug":"cve-2026-44428-model-context-protocol-registry-oidc-token-replay-via-shared","title":"Model Context Protocol Registry OIDC token replay via shared audience","severity":"medium","exploited":false,"published_at":"2026-05-14T22:16:44.593+00:00","url":"https://junglewise.ai/threats/cve-2026-44428-model-context-protocol-registry-oidc-token-replay-via-shared"},{"cve":"CVE-2026-44427","cvss":4,"epss":0.0044,"slug":"cve-2026-44427-model-context-protocol-registry-open-redirect-in","title":"Model Context Protocol Registry open redirect in TrailingSlashMiddleware","severity":"medium","exploited":false,"published_at":"2026-05-14T22:16:44.45+00:00","url":"https://junglewise.ai/threats/cve-2026-44427-model-context-protocol-registry-open-redirect-in"},{"cve":"CVE-2026-45781","cvss":3.5,"epss":0.0025,"slug":"cve-2026-45781-model-context-protocol-registry-ownership-bypass-in-oci-validator","title":"Model Context Protocol Registry ownership bypass in OCI validator","severity":"low","exploited":false,"published_at":"2026-05-14T21:16:48.48+00:00","url":"https://junglewise.ai/threats/cve-2026-45781-model-context-protocol-registry-ownership-bypass-in-oci-validator"},{"cve":"CVE-2026-44430","cvss":4,"epss":0.0029,"slug":"cve-2026-44430-model-context-protocol-registry-ssrf-via-ipv6-filter-bypass","title":"Model Context Protocol Registry SSRF via IPv6 Filter Bypass","severity":"medium","exploited":false,"published_at":"2026-05-14T21:16:46.827+00:00","url":"https://junglewise.ai/threats/cve-2026-44430-model-context-protocol-registry-ssrf-via-ipv6-filter-bypass"},{"cve":"CVE-2026-44429","cvss":5.4,"epss":0.0024,"slug":"cve-2026-44429-mcp-registry-stored-xss-in-catalogue-ui-via-websiteurl","title":"MCP Registry stored XSS in catalogue UI via websiteUrl","severity":"medium","exploited":false,"published_at":"2026-05-14T21:16:46.677+00:00","url":"https://junglewise.ai/threats/cve-2026-44429-mcp-registry-stored-xss-in-catalogue-ui-via-websiteurl"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Model Context Protocol Python SDK","slug":"mcp-python-sdk","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/mcp-python-sdk"}],"technology":{"hub":true,"name":"Model Context Protocol Registry","slug":"registry","vendor":{"name":"Model Context Protocol","slug":"model-context-protocol","url":"https://junglewise.ai/threats/vendors/model-context-protocol"},"aliases":["model-context-protocol-registry"],"category":"library","homepage":"https://modelcontextprotocol.io/","repo_url":"https://github.com/modelcontextprotocol/registry","description":"A registry implementation for the Model Context Protocol (MCP) that enables discovery and management of MCP servers.","url":"https://junglewise.ai/threats/technologies/registry"},"most_severe":[{"cve":"CVE-2026-44429","cvss":5.4,"epss":0.0024,"slug":"cve-2026-44429-mcp-registry-stored-xss-in-catalogue-ui-via-websiteurl","title":"MCP Registry stored XSS in catalogue UI via websiteUrl","severity":"medium","exploited":false,"published_at":"2026-05-14T21:16:46.677+00:00","url":"https://junglewise.ai/threats/cve-2026-44429-mcp-registry-stored-xss-in-catalogue-ui-via-websiteurl"},{"cve":"CVE-2026-44428","cvss":4.7,"epss":0.0027,"slug":"cve-2026-44428-model-context-protocol-registry-oidc-token-replay-via-shared","title":"Model Context Protocol Registry OIDC token replay via shared audience","severity":"medium","exploited":false,"published_at":"2026-05-14T22:16:44.593+00:00","url":"https://junglewise.ai/threats/cve-2026-44428-model-context-protocol-registry-oidc-token-replay-via-shared"},{"cve":"CVE-2026-44427","cvss":4,"epss":0.0044,"slug":"cve-2026-44427-model-context-protocol-registry-open-redirect-in","title":"Model Context Protocol Registry open redirect in TrailingSlashMiddleware","severity":"medium","exploited":false,"published_at":"2026-05-14T22:16:44.45+00:00","url":"https://junglewise.ai/threats/cve-2026-44427-model-context-protocol-registry-open-redirect-in"},{"cve":"CVE-2026-44430","cvss":4,"epss":0.0029,"slug":"cve-2026-44430-model-context-protocol-registry-ssrf-via-ipv6-filter-bypass","title":"Model Context Protocol Registry SSRF via IPv6 Filter Bypass","severity":"medium","exploited":false,"published_at":"2026-05-14T21:16:46.827+00:00","url":"https://junglewise.ai/threats/cve-2026-44430-model-context-protocol-registry-ssrf-via-ipv6-filter-bypass"},{"cve":"CVE-2026-45781","cvss":3.5,"epss":0.0025,"slug":"cve-2026-45781-model-context-protocol-registry-ownership-bypass-in-oci-validator","title":"Model Context Protocol Registry ownership bypass in OCI validator","severity":"low","exploited":false,"published_at":"2026-05-14T21:16:48.48+00:00","url":"https://junglewise.ai/threats/cve-2026-45781-model-context-protocol-registry-ownership-bypass-in-oci-validator"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}