Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck
CVE-2026-103289Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments
Medium 6.5
In plain English
A medium-severity security flaw in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.44.1 | GHSA-6q6j-f24j-p477 |
Affected products (as reported)
Weakness: CWE-943 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-6q6j-f24j-p477) vendor-advisory
- VulnCheck Advisory: Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comments third-party-advisory