CVE-2026-103271 Ghost 4.0.0 before 6.63.0 Restricted Content Bypass
Unauthenticated attackers can bypass content restrictions to access gated posts via the content API in Ghost CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-103271?
CVE-2026-103271 is a high-severity missing authorization vulnerability in TryGhost Ghost, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-103271?
1 open source package ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 4.0.0 | 6.63.0 |
How do I fix CVE-2026-103271?
Upgrade ghost to 6.63.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-103271 being exploited?
There is no known exploitation of CVE-2026-103271 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-103271, GHSA-2fr8-wvwh-rx7v, GHSA-rcx7-6m7p-xw5c, MINI-vvqh-6xjw-722w.