Vulnerability Description
Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588
- https://github.com/TryGhost/Ghost/pull/29635
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-pr22-p9rp-2cqv
FAQ
What is CVE-2026-70596?
CVE-2026-70596 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hij...
How severe is CVE-2026-70596?
CVE-2026-70596 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-70596?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.