Ghost: Regular Expression Denial of Service in External Media Inliner
### Impact A crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. ### Vulnerable versions This vulnerability is present in Ghost from v5.37.0 up to v6.65.0. ### Patches v6.67.0 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 [ka3n1x](https://github.com/ka3n1x) 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 (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-105645US | — | — | ||
Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unr… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/TryGhost/GhostPACKAGE
- https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ceWEB
- https://github.com/TryGhost/Ghost/issues/31058WEB
- https://github.com/TryGhost/Ghost/pull/31058WEB
- https://github.com/TryGhost/Ghost/releases/tag/v6.66.0WEB
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9m4w-fmjw-fvjqWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-105645ADVISORY
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