[ CVE-2026-103273 · Published 1 Oct 2026 ]
Vulnerability in TryGhost Ghost
CVSS 4.3
EPSS <1%No fix listed yet
[ Description ]Official description
Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assigned privilege level.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.