{"id":"CVE-2026-105678","aliases":["BIT-ghost-2026-104412","BIT-ghost-2026-105678","CVE-2026-104412","GHSA-4pvx-fwjj-8gpc"],"url":"https://o3.security/vulnerability/CVE-2026-105678","summary":"Ghost: Editors Could Promote Staff Users to Their Own Role","details":"### Impact\n\nStaff users with the Editor or Super Editor role were able to assign their own role to Author and Contributor users, despite not having permission to assign that role.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v0.5.0 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 [SecBuddyF](https://github.com/SecBuddyF) of [Tencent KeenLab](https://github.com/KeenSecurityLab), [Santosh Kumar Puppala](https://github.com/Santoshkumarpuppala), Pedro Pinho, and [Nhat Anh Vu](https://github.com/nhattanhh) 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).","published":"2026-10-05T19:20:36.210Z","modified":"2026-10-21T02:54:33.662709199Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"ghost","fixedVersion":"6.64.0"}],"fix":{"url":"https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9aaf","label":"TryGhost/Ghost@99c5642"},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/releases/tag/v6.64.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105678.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105678"},{"type":"REPORT","url":"https://github.com/TryGhost/Ghost/issues/30764"},{"type":"FIX","url":"https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9aaf"},{"type":"WEB","url":"https://github.com/TryGhost/Ghost/pull/30764"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T02:54:33.662709199Z"}}