Ghost: Path Traversal Vulnerability in Ghost ImageSize Service
### Impact An input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. ### Vulnerable versions This vulnerability is present in Ghost from v6.14.0 up to v6.27.0. ### Patches v6.27.0 contains a fix for this issue. ### How to update For self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). ### References Ghost thanks [l3tchupkt](https://github.com/l3tchupkt) and krn0@bugcrowdninja.com for disclosing this vulnerability responsibly. ### For more information If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).
beschreibt (2)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-105683US | — | — | ||
Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data stora… | ||||
| CVE-2026-103290US | low3.8 | — | ||
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 ma… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/TryGhost/GhostPACKAGE
- https://github.com/TryGhost/Ghost/commit/770d438fd9d352bbfccbe81dd890580a1d3fd6f0WEB
- https://github.com/TryGhost/Ghost/pull/27217WEB
- https://github.com/TryGhost/Ghost/releases/tag/v6.27.0WEB
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88cWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-105683ADVISORY
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