Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck
CVE-2026-103271Ghost 4.0.0 before 6.63.0 Restricted Content Bypass
High 7.5
In plain English
A high-severity incorrect authorization 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 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Ghost versions from 4.0.0 before 6.63.0 contain a content API vulnerability that allows unauthenticated visitors to access gated post content. Attackers can bypass content restrictions by directly querying the content API to retrieve restricted posts without authentication.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-rcx7-6m7p-xw5c) vendor-advisory
- VulnCheck Advisory: Ghost 4.0.0 before 6.63.0 Restricted Content Bypass third-party-advisory