CVE-2026-103271

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Ghost

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

TryGhost Ghost6.63.0 or later

Vendor advisories

github.com/TryGhost/Ghost/security/advisories/GHSA-rcx7-6m7p-xw5c

Affected products

Product	Affected versions	Fixed in
TryGhost Ghost	4.0.0 ≤ v < 6.63.0	6.63.0

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