{"id":"GHSA-jj74-hc2q-xrvm","summary":"Ghost: Remote Code Execution via Theme Translation Files","details":"### Impact\n\nA vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to execute arbitrary code on the server via a crafted theme.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v6.10.3 up to v6.64.0.\n\n### Patches\n\nv6.64.0 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 [Miguel Segovia Gil](https://github.com/msegoviag) of KPMG, [Alemmi](https://github.com/Alemmi), and [Tomer-PL](https://github.com/Tomer-PL) 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).","aliases":["CVE-2026-104418","CVE-2026-105677"],"modified":"2026-10-07T20:30:04.843583851Z","published":"2026-10-07T20:26:08Z","database_specific":{"cwe_ids":["CWE-22","CWE-829","CWE-94"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-10-07T20:26:08Z","nvd_published_at":"2026-10-05T20:17:14Z"},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj74-hc2q-xrvm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105677"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/issues/30635"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/commit/d2f498694be549074dd5817fd0e8a1371b65df02"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/releases/tag/v6.64.0"}],"affected":[{"package":{"name":"ghost","ecosystem":"npm","purl":"pkg:npm/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.10.3"},{"fixed":"6.64.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-jj74-hc2q-xrvm/GHSA-jj74-hc2q-xrvm.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}