Auth bypass in Ghost
CVE-2026-22595
Ghost is a Node.js content management system. In versions 5.121.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. This issue has been patched in versions 5.130.6 and 6.11.0.
Vulnerability class: Broken Access Control
EPSS: 0.005 (44.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Ghost
- Tryghost Ghost — versions >= 6.0.0, < 6.11.0, >= 5.121.0, < 5.130.6
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-22595?
- CVE-2026-22595 is a high-severity vulnerability in Ghost, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-01-10.
- How severe is CVE-2026-22595?
- High severity. CVSS v3 base score is 8.1 out of 10.