Path Traversal Vulnerability in Ghost Product by TryGhost
CVE-2026-103290

5.1MEDIUM

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
1 October 2026

What is CVE-2026-103290?

Ghost versions from 6.14.0 to prior 6.27.0 are susceptible to a path traversal vulnerability within the ImageSize service. This flaw arises due to inadequate validation of user-provided file paths, potentially enabling authenticated staff users to manipulate access to local files situated outside of designated storage directories on the server.

Affected Version(s)

Ghost 6.14.0 < 6.27.0

Ghost 6.27.0

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
vendor-advisory
https://www.vulncheck.com/advisories/ghost-6.14.0-before-...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

l3tchupkt
.