Low severity · published Oct 1, 2026
CVE-2026-103290
Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize
3.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
6.14.0 before 6.27.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103290
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103290
vendor-advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c
third-party-advisory
https://www.vulncheck.com/advisories/ghost-6.14.0-before-6.27.0-path-traversal-via-imagesize
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