CVE-2025-66565
Fiber Utils UUIDv4 and UUID Silent Fallback to Predictable Values in github.com/gofiber/utils
EPSS 0.08%
Description
Fiber Utils UUIDv4 and UUID Silent Fallback to Predictable Values in github.com/gofiber/utils
How to fix CVE-2025-66565
To remediate CVE-2025-66565, upgrade the affected package to a fixed version below.
- Go/github.com/gofiber/utils—upgrade to 1.2.0 or later
- Go/github.com/gofiber/utils—upgrade to 1.2.0 or later
- Go/github.com/gofiber/utils/v2—upgrade to 2.0.0-rc.4 or later
- —upgrade to 2.0.0-rc.4 or later
Is CVE-2025-66565 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.2.0
- from 0, < 1.2.0
- from 0, < 2.0.0-rc.4
- from 0, < 2.0.0-rc.4
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 |