CVE-2026-103283

HIGHCVSS 8.1

Description

Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to impersonate other staff members and gain unauthorized access to administrative functions.

Timeline

Published:October 1st, 2026 11:17 AM

Last modified:October 6th, 2026 2:17 AM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-613

References & Reports

Advisories, patches, and third-party reports

https://github.com/TryGhost/Ghost/security/advisories/GHSA-q55r-w7fh-rmh6
https://www.vulncheck.com/advisories/ghost-6.20.0-before-6.57.1-authentication-bypass-via-session-handling

Source: NIST NVD · Data may lag official sources by up to one minute