CVE-2025-66565 Fiber Utils UUIDv4 and UUID Silent Fallback to Predictable Values

Fiber Utils is a collection of common functions created for Fiber. In versions 2.0.0-rc.3 and below, when the system's cryptographic random number generator crypto/rand fails, both functions silently fall back to returning predictable UUID values, including the zero UUID...

CVE-2025-66565

Fiber Utils (github.com/gofiber/utils) has a vulnerability in UUIDv4() and UUID() where crypto/rand.Read() failures trigger silent fallbacks to predictable UUID values, including the zero UUID 00000000-0000-0000-0000-000000000000. This root cause affects versions up to 2.0.0-rc.3; the issue is fi...