CVE-2025-66630
EPSS 0.02%Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() on crypto/rand failure in github.com/gofiber/fiber
Published: 2/9/2026Modified: 2/19/2026
Description
Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure in github.com/gofiber/fiber
Affected packages (3)
- Go/github.com/gofiber/fiberfrom 0
- Go/github.com/gofiber/fiber/v2from 0, < 2.52.11
- Go/github.com/gofiber/fiber/v2from 0, < 2.52.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-66630
- PATCHhttps://github.com/gofiber/fiber
- WEBhttps://github.com/gofiber/fiber/commit/eb874b6f6c5896b968d9b0ab2b56ac7052cb0ee1
- WEBhttps://github.com/gofiber/fiber/releases/tag/v2.52.11
- WEBhttps://github.com/gofiber/fiber/security/advisories/GHSA-68rr-p4fp-j59v