CVE-2026-22595
CVE-2026-22595 is a high-severity vulnerability in Ghost with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1428
- Weakness: CWE-863
- Affected product: Ghost
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-22595?
- CVE-2026-22595 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2026-22595 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22595?
- CVE-2026-22595 affects Ghost. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22595?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-22595 have an EU (EUVD) identifier?
- Yes. CVE-2026-22595 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1428.
- When was CVE-2026-22595 published?
- CVE-2026-22595 was published on 2026-01-10 and last updated on 2026-06-17.
References
- https://github.com/TryGhost/Ghost/commit/9513d2a35c21067127ce8192443d8919ddcefcc8
- https://github.com/TryGhost/Ghost/commit/c3017f81a5387b253a7b8c1ba1959d430ee536a3
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9xg7-mwmp-xmjx
Affected products (1)
- cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*
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