Input Validation Flaw in Ghost CMS Allows Unauthorized File Access
CVE-2026-105683

3.8LOW

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
5 October 2026

What is CVE-2026-105683?

An input validation issue in Ghost CMS versions 6.14.0 to 6.27.0 has raised concerns regarding unauthorized access to local files. Staff users were potentially able to access files outside the designated data storage directories on the server, posing a security risk. The issue has been effectively addressed in version 6.27.0, ensuring that appropriate measures are in place to mitigate such vulnerabilities in the future.

Affected Version(s)

Ghost >= 6.14.0, < 6.27.0

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/TryGhost/Ghost/pull/27217
x_refsource_MISC
https://github.com/TryGhost/Ghost/commit/770d438fd9d352bb...
x_refsource_MISC

CVSS V3.1

Score:
3.8
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.