{"id":"CVE-2026-103283","aliases":["GHSA-q55r-w7fh-rmh6"],"url":"https://o3.security/vulnerability/CVE-2026-103283","summary":"Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling","details":"Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to impersonate other staff members and gain unauthorized access to administrative functions.","published":"2026-10-01T10:42:18.910Z","modified":"2026-10-02T03:47:09.924674710Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103283.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-q55r-w7fh-rmh6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103283"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ghost-6.20.0-before-6.57.1-authentication-bypass-via-session-handling"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-02T03:47:09.924674710Z"}}