CVE-2026-104412

Medium

Description

Ghost 0.5.0 before 6.64.0 does not correctly restrict staff role assignment, allowing users with the Editor or Super Editor role to assign their own role to other staff despite lacking permission to do so. An authenticated Editor or Super Editor can promote Author and Contributor users to Editor or Super Editor.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Ghost

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Update

ghost6.64.0 or later

Vendor advisories

github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc

Affected products

Product	Affected versions	Fixed in
ghostnpm	0.5.0 ≤ v < 6.64.0	6.64.0

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