{"schema_version":1,"title":"Mark3labs vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Mark3labs: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, mark3labs mcp-go SSRF and credential leak via unvalidated Location header, was published on 5 November 2026. 2 vulnerabilities in the last four weeks, level on the four before (2). 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/mark3labs","json_url":"https://junglewise.ai/threats/vendors/mark3labs.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/vendors/mark3labs","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":true,"counts":{"high":2,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":5,"last_365_days":5},"latest":[{"slug":"go-2026-6911-ssrf-and-credential-leak-via-unvalidated-location-header-1f243351","title":"mark3labs mcp-go SSRF and credential leak via unvalidated Location header","severity":"info","exploited":false,"published_at":"2026-11-05T22:55:15+00:00","url":"https://junglewise.ai/threats/go-2026-6911-ssrf-and-credential-leak-via-unvalidated-location-header-1f243351"},{"cve":"CVE-2026-123272","cvss":8,"slug":"cve-2026-123272-mark3labs-mcp-go-before-v1-2-1-contains-an-improper-validation","title":"Mark3labs mcp-go improper validation in OAuthHandler","severity":"high","exploited":false,"published_at":"2026-11-05T19:17:20.713+00:00","url":"https://junglewise.ai/threats/cve-2026-123272-mark3labs-mcp-go-before-v1-2-1-contains-an-improper-validation"},{"cve":"CVE-2026-108859","cvss":7.5,"epss":0.0055,"slug":"cve-2026-108859-mcp-go-through-1-2-1-contains-a-denial-of-service-vulnerability","title":"mcp-go denial of service in StreamableHTTPServer.ServeHTTP","severity":"high","exploited":false,"published_at":"2026-10-11T14:17:05.78+00:00","url":"https://junglewise.ai/threats/cve-2026-108859-mcp-go-through-1-2-1-contains-a-denial-of-service-vulnerability"},{"cve":"CVE-2026-79534","slug":"cve-2026-79534-mark3labs-mcp-filesystem-server-v0-11-1-is-vulnerable-to","title":"mark3labs mcp-filesystem-server directory traversal in validatePath","severity":"info","exploited":false,"published_at":"2026-09-29T20:17:26.993+00:00","url":"https://junglewise.ai/threats/cve-2026-79534-mark3labs-mcp-filesystem-server-v0-11-1-is-vulnerable-to"},{"cve":"CVE-2026-81092","cvss":6.8,"epss":0.0022,"slug":"cve-2026-81092-mcp-go-http-host-header-validation-bypass","title":"mcp-go HTTP Host header validation bypass","severity":"medium","exploited":false,"published_at":"2026-08-27T17:20:51.337+00:00","url":"https://junglewise.ai/threats/cve-2026-81092-mcp-go-http-host-header-validation-bypass"}],"vendor":{"hub":true,"name":"Mark3labs","slug":"mark3labs","url":"https://junglewise.ai/threats/vendors/mark3labs"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":1},{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-123272","cvss":8,"slug":"cve-2026-123272-mark3labs-mcp-go-before-v1-2-1-contains-an-improper-validation","title":"Mark3labs mcp-go improper validation in OAuthHandler","severity":"high","exploited":false,"published_at":"2026-11-05T19:17:20.713+00:00","url":"https://junglewise.ai/threats/cve-2026-123272-mark3labs-mcp-go-before-v1-2-1-contains-an-improper-validation"},{"cve":"CVE-2026-108859","cvss":7.5,"epss":0.0055,"slug":"cve-2026-108859-mcp-go-through-1-2-1-contains-a-denial-of-service-vulnerability","title":"mcp-go denial of service in StreamableHTTPServer.ServeHTTP","severity":"high","exploited":false,"published_at":"2026-10-11T14:17:05.78+00:00","url":"https://junglewise.ai/threats/cve-2026-108859-mcp-go-through-1-2-1-contains-a-denial-of-service-vulnerability"},{"cve":"CVE-2026-81092","cvss":6.8,"epss":0.0022,"slug":"cve-2026-81092-mcp-go-http-host-header-validation-bypass","title":"mcp-go HTTP Host header validation bypass","severity":"medium","exploited":false,"published_at":"2026-08-27T17:20:51.337+00:00","url":"https://junglewise.ai/threats/cve-2026-81092-mcp-go-http-host-header-validation-bypass"},{"slug":"go-2026-6911-ssrf-and-credential-leak-via-unvalidated-location-header-1f243351","title":"mark3labs mcp-go SSRF and credential leak via unvalidated Location header","severity":"info","exploited":false,"published_at":"2026-11-05T22:55:15+00:00","url":"https://junglewise.ai/threats/go-2026-6911-ssrf-and-credential-leak-via-unvalidated-location-header-1f243351"},{"cve":"CVE-2026-79534","slug":"cve-2026-79534-mark3labs-mcp-filesystem-server-v0-11-1-is-vulnerable-to","title":"mark3labs mcp-filesystem-server directory traversal in validatePath","severity":"info","exploited":false,"published_at":"2026-09-29T20:17:26.993+00:00","url":"https://junglewise.ai/threats/cve-2026-79534-mark3labs-mcp-filesystem-server-v0-11-1-is-vulnerable-to"}],"generated_at":"2026-11-13T03:07:00.155039+00:00","technologies":[{"name":"Mark3labs Mcp-Go","slug":"mcp-go","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/mcp-go"}]}