Node.js Content Management System Ghost Vulnerability Exposed to Unauthenticated HTTP Requests
CVE-2026-70595

4MEDIUM

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
5 August 2026

What is CVE-2026-70595?

A validation flaw in the Ghost Node.js content management system versions 6.26.0 through 6.54.1 permits unauthenticated users to exploit certain features, such as Webmentions, to make restricted HTTP requests directed at hosts within the internal network of the Ghost server. While the vulnerability does not return any response data, it still poses a risk for network integrity. This issue has been addressed in version 6.54.1, urging users to upgrade for enhanced security.

Affected Version(s)

Ghost >= 6.26.0, < 6.54.1

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
x_refsource_CONFIRM

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.