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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":"2026-10-07T20:42:53+00:00","modifiedAt":"2026-10-13T08:25:52.3188073+00:00","affected":[{"ecosystem":"npm","name":"ghost","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"4.0.0"},{"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-fwh9-qg68-vxp4","https://nvd.nist.gov/vuln/detail/CVE-2026-105646","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-fwh9-qg68-vxp4","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-fwh9-qg68-vxp4","identifiers":["GHSA-fwh9-qg68-vxp4","BIT-ghost-2026-105646","CVE-2026-105646"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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