Content API Vulnerability in Ghost by Ghost Foundation
CVE-2026-103271

8.7HIGH

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
1 October 2026

What is CVE-2026-103271?

A content API vulnerability in Ghost versions prior to 6.63.0 enables unauthenticated users to access restricted posts. This flaw allows malicious actors to bypass authentication measures and retrieve protected content directly through the content API, compromising the intended access controls and exposing sensitive information.

Affected Version(s)

Ghost 4.0.0 < 6.63.0

Ghost 6.63.0

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
vendor-advisory
https://www.vulncheck.com/advisories/ghost-4.0.0-before-6...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

pptx704
evertrustai
.