CVE-2026-103290

Low

Description

Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.

SeverityLow

CVSS3.8

Exploit probability—

Product

Ghost

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-35CWE-35

How to fix

Update

ghost6.27.0 or later

Vendor advisories

github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c

Affected products

Product	Affected versions	Fixed in
ghostnpm	6.14.0 ≤ v < 6.27.0	6.27.0

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