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CVE-2026-53945

Ghost: Server-side request forgery via DNS rebinding in external request handling PUBLISHED

Description (CNA)

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.

Affected (CNA)

Vendor / productVersions
TryGhost / Ghostaffected >= 6.0.9, < 6.21.1

CWE

CWE-367, CWE-918

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.