{"id":"GHSA-9m4w-fmjw-fvjq","revision":"50ad7e132c1a4f60963f5ac3e9f2dee0","records":[{"revision":"50ad7e132c1a4f60963f5ac3e9f2dee0","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-9m4w-fmjw-fvjq","aliases":["BIT-ghost-2026-105645","CVE-2026-105645"],"title":"Ghost: Regular Expression Denial of Service in External Media Inliner","description":"### Impact\n\nA crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v5.37.0 up to v6.65.0.\n\n### Patches\n\nv6.67.0 contains a fix for this issue.\n\n### How to update\n\nFor 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). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks [ka3n1x](https://github.com/ka3n1x) for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","state":0,"publishedAt":"2026-10-07T20:43:00+00:00","modifiedAt":"2026-10-13T08:26:06.5347326+00:00","affected":[{"ecosystem":"npm","name":"ghost","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"5.37.0"},{"kind":"fixed","version":"6.67.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-9m4w-fmjw-fvjq","https://nvd.nist.gov/vuln/detail/CVE-2026-105645","https://github.com/TryGhost/Ghost/issues/31058","https://github.com/TryGhost/Ghost/pull/31058","https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce","https://github.com/TryGhost/Ghost","https://github.com/TryGhost/Ghost/releases/tag/v6.66.0"],"sourceUrl":"https://github.com/advisories/GHSA-9m4w-fmjw-fvjq","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-9m4w-fmjw-fvjq","identifiers":["GHSA-9m4w-fmjw-fvjq","BIT-ghost-2026-105645","CVE-2026-105645"]},"retained":false,"historicalAffected":[]}],"coverage":[]}