CVE-2026-85738

TREK is a collaborative travel planner. Prior to 3.4.0, the checkSsrf logic in server/src/utils/ssrfGuard.ts does not recognize NAT64, 6to4, or Teredo IPv6 transition addresses that encode an IPv4 destination. An authenticated user who controls a DNS record can supply a URL whose AAAA result is a...

CVE-2026-85738

The collaborative travel planner TREK (prior to version 3.4.0 ) is vulnerable to a Server-Side Request Forgery (SSRF) due to a flaw in the checkSsrf logic located in server/src/utils/ssrfGuard.ts. The application fails to recognize NAT64, 6to4, or Teredo IPv6 transition addresses that encode an I...