AUGUST 16, 2026
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Case File

CVE-2026-70596

MEDIUM · CVSS 4.3 EPSS 0.18% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

The Ghost content management system, versions 4.9.0 to 6.54.1, is vulnerable to an input validation flaw that enables staff users to craft posts with malicious content in the feature_image_caption field, potentially hijacking another staff user's admin session and leading to privilege escalation. Organizations using affected versions should prioritize patching to version 6.54.1 or later to mitigate this risk and protect their administrative access.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-70596
Severity
MEDIUM
CVSS
4.3
EPSS
0.18%

Original NVD 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.