CVE-2026-0621Published
MCP TypeScript SDK UriTemplate Exploded Array Pattern ReDoS
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-0621 · Microsoft / collected KEV context
cve-program · CVE-2026-0621
- https://github.com/modelcontextprotocol/typescript-sdk/issues/965
- https://www.vulncheck.com/advisories/mcp-typescript-sdk-uritemplate-exploded-array-pattern-redos
euvd · EUVD-2026-0800
- https://github.com/modelcontextprotocol/typescript-sdk/issues/965
- https://www.vulncheck.com/advisories/mcp-typescript-sdk-uritemplate-exploded-array-pattern-redos
nvd · CVE-2026-0621
- https://github.com/modelcontextprotocol/typescript-sdk/issues/965
- https://www.vulncheck.com/advisories/mcp-typescript-sdk-uritemplate-exploded-array-pattern-redos
osv · GHSA-8r9q-7v3j-jr4g
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-cqwc-fm46-7fff
- https://nvd.nist.gov/vuln/detail/CVE-2026-0621
- https://github.com/modelcontextprotocol/typescript-sdk/issues/965
- https://github.com/modelcontextprotocol/typescript-sdk/commit/7f0cf730
- https://github.com/modelcontextprotocol/typescript-sdk/commit/b392f02ffcf37c088dbd114fedf25026ec3913d3
- https://github.com/modelcontextprotocol/typescript-sdk
- https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/v1.25.2
- https://www.vulncheck.com/advisories/mcp-typescript-sdk-uritemplate-exploded-array-pattern-redos
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.