CVE-2026-103271

HIGH 7.5

Ghost 4.0.0 before 6.63.0 Restricted Content Bypass

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	tryghost
Product	ghost
Published	Oct 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

TryGhost / Ghost

4.0.0 < 6.63.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-rcx7-6m7p-xw5c vulncheck.com: https://www.vulncheck.com/advisories/ghost-4.0.0-before-6.63.0-restricted-content-bypass

Credits

🔍 pptx704 🔍 evertrustai