CVE-2026-103273

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.

CVSS Vector

References

• https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj85-wvj2-r86m
• https://www.vulncheck.com/advisories/ghost-4.3.0-before-6.58.0-incorrect-authorization-via-staff-token