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CVE-2026-79913 Cloudreve: SSRF guard bypass: checkIP does not decode IPv6-transition wrappers (NAT64, IPv4-compatible, 6to4) reaching internal and cloud-metadata addresses

🗓️ 22 Sep 2026 15:24:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the ValidateExternalURL server-side request forgery guard in pkg/request/ssrf.go passes resolved addresses to checkIP without decoding NAT64, IPv4-compatible, and 6to4...

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ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-79913
22 Sep 202615:24
cve
nvd
NVD
CVE-2026-79913
22 Sep 202616:17
nvd
[
  {
    "vendor": "cloudreve",
    "product": "cloudreve",
    "versions": [
      {
        "version": "< 4.18.0",
        "status": "affected"
      }
    ]
  }
]

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22 Sep 2026 15:24Current
CVSS 3.16.5
4