CVE-2026-103289
MEDIUMCVSS 6.5/10
Last modified
CVE-2026-103289 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data..
Description
Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| TryGhost | Ghost | >= 5.9.0, < 6.44.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-103289?
Ghost from 5.9.0 before 6.44.1 contains an input validation issue in the comments feature that allows authenticated members to access comments they are not authorized to view, resulting in disclosure of restricted comment data.
How severe is CVE-2026-103289?
CVE-2026-103289 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-103289?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-103283Ghost versions 6.20.0 before 6.57.1 contain a session handli…8.1
- CVE-2026-103284Ghost versions from 5.125.1 before 6.57.1 contain an informa…4.3
- CVE-2026-103285Ghost versions from 5.19.0 before 6.57.1 contain a cross-sit…4.3
- CVE-2026-103286Ghost versions from 2.21.0 before 6.56.0 contain a privilege…7.3
- CVE-2026-103287Ghost versions 1.18.0 before 6.27.0 contain a server-side re…2.7
- CVE-2026-103288Ghost, an open-source publishing platform, contains an input…6.5
- CVE-2026-103290Ghost versions 6.14.0 through versions prior to 6.27.0 conta…3.8
- CVE-2026-103291Ghost versions from 3.20.2 before 6.51.0 contain a server-si…6.4
- CVE-2026-103292Ghost versions from 0.5.3 through versions prior to 6.50.0 f…8
- CVE-2026-103321MISP contains a stored cross-site script (XSS) vulnerability…8.3
- CVE-2026-103336Insertion of Sensitive Information Into Sent Data vulnerabil…5.3
- CVE-2026-103338Improper Neutralization of Special Elements used in an SQL C…8.5
Are you affected by CVE-2026-103289?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST