CVE-2026-105647

MEDIUM 4.0

Ghost: Server-Side Request Forgery in Bookmark Fetching

CVSS Score

4.0

EPSS Score

0.0%

EPSS Percentile

0th

Ghost is a Node.js content management system. From 6.54.1 until 6.65.0, a validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result in any response data being returned. This issue is fixed in version 6.65.0.

CWE	CWE-367 CWE-918
Vendor	tryghost
Product	ghost
Published	Oct 5, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

TryGhost / Ghost

>= 6.54.1, < 6.65.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-322m-ff4g-9vx9 github.com: https://github.com/TryGhost/Ghost/pull/30918 github.com: https://github.com/TryGhost/Ghost/commit/3f8594eb53de883ac017545c358f59039cb152de github.com: https://github.com/TryGhost/Ghost/releases/tag/v6.65.0