PatchTheCVEmcp typescript sdk vulnerabilities and fixes
Recent CVEs affecting mcp typescript sdk, with upgrade or downgrade steps. 1 tracked.
Also searched as: mcptypescriptsdk.
mcp typescript sdk has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-01-05. Highest priority: CVE-2026-0621 (score 46/100).
- CVE-2026-0621 HIGH 7.5 UPGRADE Anthropic's MCP TypeScript SDK versions up to and including 1.25.1 contain a regular expression denial of serv
FAQ
How do I fix mcp typescript sdk vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is mcp typescript sdk being exploited right now?
None of the tracked mcp typescript sdk CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which mcp typescript sdk CVE should I patch first?
CVE-2026-0621 currently ranks highest (46/100): Anthropic's MCP TypeScript SDK versions up to and including 1.25.1 contain a regular expression denial of serv.