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CVE-2026-53944 Ghost: Private IP filtering bypass to make server-side requests to internal services

🗓️ 24 Jun 2026 18:10:30Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Ghost CMS prior to 6.21.1 bypasses private IP filter via IPv6 to IPv4 mapping, allowing internal access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53944
24 Jun 202618:10
attackerkb
CVE
CVE-2026-53944
24 Jun 202618:10
cve
EUVD
EUVD-2026-39025
24 Jun 202618:10
euvd
NVD
CVE-2026-53944
24 Jun 202619:17
nvd
Positive Technologies
PT-2026-52068
24 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-53944 Ghost: Private IP filtering bypass to make server-side requests to internal services
24 Jun 202618:10
vulnrichment
[
  {
    "vendor": "TryGhost",
    "product": "Ghost",
    "versions": [
      {
        "version": ">= 6.0.9, < 6.21.1",
        "status": "affected"
      }
    ]
  }
]

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