VDB

CVE-2025-66565

CVE-2025-66565 PUBLISHED CVSS 9.300000190734863 CRITICAL

Fiber Utils UUIDv4 and UUID Silent Fallback to Predictable Values

EPSS 0.47% · 38.8th percentile

Risk Scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS Score
0.47%
38.8th percentile

Affected Products

VendorProductVersions
github.comgofiber/utils0
gofiberutilsgithub.com/gofiber/utils/v2 < 2.0.0-rc.4, 0, 2.0.0
github.comgofiber/utils/v20

Timeline

  • Dec 8, 2025 CVE Published
  • Dec 9, 2025 EPSS Score
  • Dec 9, 2025 PoC Published
  • Dec 13, 2025 EPSS Score
  • Dec 18, 2025 EPSS Score
  • Dec 22, 2025 EPSS Score
  • Dec 27, 2025 EPSS Score
  • Dec 31, 2025 EPSS Score
  • Jan 4, 2026 EPSS Score
  • Jan 9, 2026 EPSS Score
  • Jan 13, 2026 EPSS Score
  • Jan 18, 2026 EPSS Score
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