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CVE-2026-105679 Details

Description

Ghost is a Node.js content management system. From 6.22.1 until 6.64.0, Ghost restricted the content type used to serve uploaded files to prevent browsers from executing them. On sites using the default local storage adapter, this restriction was not applied, so files uploaded by any staff user were served with a content type derived from their file extension. This could be used to host scripts on the site's domain, possibly resulting in compromise of other staff users' admin sessions. This issue is fixed in version 6.64.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/TryGhost/Ghost/commit/58669d5c8b898f8b69c1287c2779b29ecc7eb918	[email protected]
https://github.com/TryGhost/Ghost/pull/30762	[email protected]
https://github.com/TryGhost/Ghost/releases/tag/v6.64.0	[email protected]
https://github.com/TryGhost/Ghost/security/advisories/GHSA-gfjp-2p8f-94qv	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-434	Unrestricted Upload of File with Dangerous Type	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 5, 2026	New CVE Received	[email protected]
Oct 5, 2026	CVE Modified	CISA-ADP