CVE-2026-103290

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 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

3.8CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-35

Published

2026-10-01

Modified

2026-10-01

Record from

the NVD, synced 2026-10-19

Packages (OSV)

References

• https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c
• https://www.vulncheck.com/advisories/ghost-6.14.0-before-6.27.0-path-traversal-via-imagesize

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