---
id: CVE-2026-103279
title: >-
  Ghost versions from 3.10.0 before 6.34.0 fail to fully invalidate all sessions
  after a password change
summary: >-
  Ghost versions from 3.10.0 before 6.34.0 fail to fully invalidate all sessions
  after a password change. Attackers with a stolen session cookie can maintain
  access to user accounts even after the associated user changes their password.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-613
vendor: TryGhost
product: Ghost
affected:
  - Ghost >= 3.10.0 < 6.34.0
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T11:17:23.743'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103279'
references:
  - url: 'https://github.com/TryGhost/Ghost/security/advisories/GHSA-v9vj-6fq5-99xj'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ghost-3.10.0-before-6.34.0-session-invalidation-bypass
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-01T11:42:53.811Z'
---

## Overview

Ghost versions from 3.10.0 before 6.34.0 fail to fully invalidate all sessions after a password change. Attackers with a stolen session cookie can maintain access to user accounts even after the associated user changes their password.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.