OCTOBER 7, 2026
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Case File

CVE-2026-103277

HIGH · CVSS 8.1 EPSS 0.27% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-10-01 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

The vulnerability affects Ghost versions from 2.5.0 to 6.34.0, specifically within the oEmbed preview feature, which improperly handles externally hosted scripts. This flaw allows attackers to execute untrusted scripts in the context of an admin user's session, potentially leading to unauthorized administrative access. Organizations using affected versions should prioritize patching this vulnerability to safeguard against potential exploitation.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2026-103277
Severity
HIGH
CVSS
8.1
EPSS
0.27%

Original NVD Description

Ghost versions from 2.5.0 before 6.34.0 contain an untrusted script execution vulnerability in the oEmbed preview feature that fails to sandbox externally hosted scripts. Attackers can craft malicious oEmbed content to execute scripts in the context of a staff user's admin session, potentially compromising administrative access.