{"schema_version":1,"title":"@modelcontextprotocol/server (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in @modelcontextprotocol/server (npm): 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-111770, was published on 5 November 2026. 4 vulnerabilities in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-server","json_url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-server.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/modelcontextprotocol-server","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":3,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":4,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-111770","cvss":7.7,"slug":"cve-2026-111770-mcp-typescript-server-sdk-shared-transport-or-server-instances","title":"MCP TypeScript server SDK cross-client message delivery in shared HTTP transport","severity":"high","exploited":false,"published_at":"2026-11-05T22:17:45.817+00:00","url":"https://junglewise.ai/threats/cve-2026-111770-mcp-typescript-server-sdk-shared-transport-or-server-instances"},{"cve":"CVE-2026-111768","cvss":7.5,"slug":"cve-2026-111768-mcp-typescript-sdk-one-http-request-within-the-default-size","title":"MCP TypeScript SDK memory exhaustion via unbounded validation","severity":"high","exploited":false,"published_at":"2026-11-05T22:17:45.457+00:00","url":"https://junglewise.ai/threats/cve-2026-111768-mcp-typescript-sdk-one-http-request-within-the-default-size"},{"cve":"CVE-2026-111771","cvss":6.8,"slug":"cve-2026-111771-mcp-typescript-sdk-server-bearer-authentication-accepted-tokens","title":"MCP TypeScript SDK bearer authentication token validation bypass","severity":"medium","exploited":false,"published_at":"2026-11-05T21:18:35.973+00:00","url":"https://junglewise.ai/threats/cve-2026-111771-mcp-typescript-sdk-server-bearer-authentication-accepted-tokens"},{"cvss":7.5,"slug":"mcp-typescript-sdk-http-server-transports-and-handlers-did-not-limit-c51dda65","title":"MCP TypeScript SDK denial of service via unbounded request body and JSON-RPC batch","severity":"high","exploited":false,"published_at":"2026-10-27T19:02:00+00:00","url":"https://junglewise.ai/threats/mcp-typescript-sdk-http-server-transports-and-handlers-did-not-limit-c51dda65"}],"weekly":[{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"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":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"openclaw (npm)","slug":"npm-openclaw","vulnerabilities":214,"url":"https://junglewise.ai/threats/technologies/npm-openclaw"},{"name":"flowise (npm)","slug":"flowise","vulnerabilities":133,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":117,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":111,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"electron (npm)","slug":"electron","vulnerabilities":77,"url":"https://junglewise.ai/threats/technologies/electron"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":74,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"n8n (npm)","slug":"npm-n8n","vulnerabilities":64,"url":"https://junglewise.ai/threats/technologies/npm-n8n"},{"name":"hono (npm)","slug":"hono","vulnerabilities":62,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"directus (npm)","slug":"directus","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"undici (npm)","slug":"undici","vulnerabilities":53,"url":"https://junglewise.ai/threats/technologies/undici"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/budibase-server"}],"technology":{"hub":true,"name":"@modelcontextprotocol/server (npm)","slug":"modelcontextprotocol-server","vendor":{"hub":true,"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"description":"JavaScript/TypeScript package providing server implementation for the Model Context Protocol.","url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-server"},"most_severe":[{"cve":"CVE-2026-111770","cvss":7.7,"slug":"cve-2026-111770-mcp-typescript-server-sdk-shared-transport-or-server-instances","title":"MCP TypeScript server SDK cross-client message delivery in shared HTTP transport","severity":"high","exploited":false,"published_at":"2026-11-05T22:17:45.817+00:00","url":"https://junglewise.ai/threats/cve-2026-111770-mcp-typescript-server-sdk-shared-transport-or-server-instances"},{"cve":"CVE-2026-111768","cvss":7.5,"slug":"cve-2026-111768-mcp-typescript-sdk-one-http-request-within-the-default-size","title":"MCP TypeScript SDK memory exhaustion via unbounded validation","severity":"high","exploited":false,"published_at":"2026-11-05T22:17:45.457+00:00","url":"https://junglewise.ai/threats/cve-2026-111768-mcp-typescript-sdk-one-http-request-within-the-default-size"},{"cvss":7.5,"slug":"mcp-typescript-sdk-http-server-transports-and-handlers-did-not-limit-c51dda65","title":"MCP TypeScript SDK denial of service via unbounded request body and JSON-RPC batch","severity":"high","exploited":false,"published_at":"2026-10-27T19:02:00+00:00","url":"https://junglewise.ai/threats/mcp-typescript-sdk-http-server-transports-and-handlers-did-not-limit-c51dda65"},{"cve":"CVE-2026-111771","cvss":6.8,"slug":"cve-2026-111771-mcp-typescript-sdk-server-bearer-authentication-accepted-tokens","title":"MCP TypeScript SDK bearer authentication token validation bypass","severity":"medium","exploited":false,"published_at":"2026-11-05T21:18:35.973+00:00","url":"https://junglewise.ai/threats/cve-2026-111771-mcp-typescript-sdk-server-bearer-authentication-accepted-tokens"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}