CVE-2026-103271

HIGH CVSS 4.0: 8.7 EPSS 0.38%
Updated Oct 06, 2026
Ghost
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions 4.0.0 — 6.63.0
Fixed In 6.63.0
Type CWE-863 (Incorrect Authorization)
Vendor Ghost
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Ghost Ghost
cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:*
4.0.0 6.63.0