{"schema_version":1,"title":"@modelcontextprotocol/sdk (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in @modelcontextprotocol/sdk (npm): 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-2026-25536, was published on 4 February 2026.","url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-sdk","json_url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-sdk.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-sdk","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":3},"latest":[{"cve":"CVE-2026-25536","cvss":7.1,"epss":0.0036,"slug":"cve-2026-25536-model-context-protocol-typescript-sdk-data-leak-in-mcpserver","title":"Model Context Protocol TypeScript SDK data leak in McpServer transport","severity":"high","exploited":false,"published_at":"2026-02-04T22:15:59.663+00:00","url":"https://junglewise.ai/threats/cve-2026-25536-model-context-protocol-typescript-sdk-data-leak-in-mcpserver"},{"cve":"CVE-2026-0621","cvss":7.5,"epss":0.0045,"slug":"cve-2026-0621-anthropic-mcp-typescript-sdk-redos-in-uritemplate","title":"Anthropic MCP TypeScript SDK ReDoS in UriTemplate","severity":"high","exploited":false,"published_at":"2026-01-05T21:16:14.533+00:00","url":"https://junglewise.ai/threats/cve-2026-0621-anthropic-mcp-typescript-sdk-redos-in-uritemplate"},{"cve":"CVE-2025-66414","cvss":4,"epss":0.0051,"slug":"cve-2025-66414-anthropic-mcp-typescript-sdk-dns-rebinding-bypass-on-localhost","title":"Anthropic MCP TypeScript SDK DNS rebinding bypass on localhost","severity":"medium","exploited":false,"published_at":"2025-12-02T16:51:57+00:00","url":"https://junglewise.ai/threats/cve-2025-66414-anthropic-mcp-typescript-sdk-dns-rebinding-bypass-on-localhost"}],"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":"flowise (npm)","slug":"flowise","vulnerabilities":156,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/budibase-server"},{"name":"directus (npm)","slug":"directus","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":55,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"hono (npm)","slug":"hono","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"dompurify (npm)","slug":"dompurify","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/dompurify"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"flowise-components (npm)","slug":"flowise-components","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/flowise-components"},{"name":"astro (npm)","slug":"astro","vulnerabilities":30,"url":"https://junglewise.ai/threats/technologies/astro"},{"name":"@anthropic-ai/claude-code (npm)","slug":"anthropic-ai-claude-code","vulnerabilities":28,"url":"https://junglewise.ai/threats/technologies/anthropic-ai-claude-code"}],"technology":{"hub":true,"name":"@modelcontextprotocol/sdk (npm)","slug":"modelcontextprotocol-sdk","vendor":{"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"homepage":"https://www.npmjs.com/package/@modelcontextprotocol/sdk","repo_url":"https://github.com/modelcontextprotocol/typescript-sdk","description":"The official TypeScript SDK for implementing the Model Context Protocol to connect AI models with data sources.","url":"https://junglewise.ai/threats/technologies/modelcontextprotocol-sdk"},"most_severe":[{"cve":"CVE-2026-0621","cvss":7.5,"epss":0.0045,"slug":"cve-2026-0621-anthropic-mcp-typescript-sdk-redos-in-uritemplate","title":"Anthropic MCP TypeScript SDK ReDoS in UriTemplate","severity":"high","exploited":false,"published_at":"2026-01-05T21:16:14.533+00:00","url":"https://junglewise.ai/threats/cve-2026-0621-anthropic-mcp-typescript-sdk-redos-in-uritemplate"},{"cve":"CVE-2026-25536","cvss":7.1,"epss":0.0036,"slug":"cve-2026-25536-model-context-protocol-typescript-sdk-data-leak-in-mcpserver","title":"Model Context Protocol TypeScript SDK data leak in McpServer transport","severity":"high","exploited":false,"published_at":"2026-02-04T22:15:59.663+00:00","url":"https://junglewise.ai/threats/cve-2026-25536-model-context-protocol-typescript-sdk-data-leak-in-mcpserver"},{"cve":"CVE-2025-66414","cvss":4,"epss":0.0051,"slug":"cve-2025-66414-anthropic-mcp-typescript-sdk-dns-rebinding-bypass-on-localhost","title":"Anthropic MCP TypeScript SDK DNS rebinding bypass on localhost","severity":"medium","exploited":false,"published_at":"2025-12-02T16:51:57+00:00","url":"https://junglewise.ai/threats/cve-2025-66414-anthropic-mcp-typescript-sdk-dns-rebinding-bypass-on-localhost"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}