A AegiFlow
MEDIUMCVSS 4.3EPSS 0.2%

CVE-2026-70596

CVE-2026-70596 updated by NVD

Published
2026-08-05
Modified
2026-09-10
EPSS percentile
8%
Sources
github-advisory, nvd

Summary

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.

Affected packages

EcosystemPackageAffected versionsFixed versions
npmghost6.54.1

Remediation: Upgrade to 6.54.1 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.