Ghost: Server-Side Request Forgery in Bookmark Fetching

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-105647
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-05 20:17:13 UTC
Updated2026-10-05 20:17:13 UTC
DescriptionGhost 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.

Risk And Classification

Primary CVSS: v3.1 4 MEDIUM from [email protected]

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

Problem Types: CWE-367 | CWE-918 | CWE-367 CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
3.1CNADECLARED4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TryGhost Ghost affected >= 6.54.1, < 6.65.0 Not specified

References

ReferenceSourceLinkTags
github.com/TryGhost/Ghost/commit/3f8594eb53de883ac017545c358f59039cb152de [email protected] github.com
github.com/TryGhost/Ghost/releases/tag/v6.65.0 [email protected] github.com
github.com/TryGhost/Ghost/security/advisories/GHSA-322m-ff4g-9vx9 [email protected] github.com
github.com/TryGhost/Ghost/pull/30918 [email protected] github.com
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