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CVE-2025-66630 Fiber insecurely fallsback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure

🗓️ 09 Feb 2026 18:04:47Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Fiber prior to 2.52.11 may emit predictable UUIDs when crypto/rand fails, risking security keys.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2025-66630
9 Feb 202618:04
–attackerkb
cgr
Chainguard
CVE-2025-66630 vulnerabilities
10 Feb 202619:17
–cgr
circl
Circl
CVE-2025-66630
9 Feb 202618:40
–circl
cnnvd
CNNVD
Fiber 安全特征问题漏洞
9 Feb 202600:00
–cnnvd
cnvd
CNVD
Fiber Security Feature Issue Vulnerability
4 Mar 202600:00
–cnvd
cve
CVE
CVE-2025-66630
9 Feb 202618:04
–cve
github
Github Security Blog
Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure
9 Feb 202615:28
–github
nvd
NVD
CVE-2025-66630
9 Feb 202618:16
–nvd
osv
OSV
CGA-HCRM-RVW7-JCR2
11 Feb 202613:45
–osv
osv
OSV
CGA-HVPR-Q2PF-JMCM
10 Feb 202611:34
–osv
Rows per page
[
  {
    "vendor": "gofiber",
    "product": "fiber",
    "versions": [
      {
        "version": "< 2.52.11",
        "status": "affected"
      }
    ]
  }
]

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