{"id":"CVE-2026-103282","summary":"Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token","details":"Ghost versions 0.5.0 before 6.23.0 contain a concurrency issue in the staff invitation acceptance mechanism that allows multiple accounts to be created from a single invite token. Attackers can exploit this race condition by submitting concurrent requests with the same invitation token to create duplicate user accounts.","aliases":["GHSA-vf9h-87xm-g767"],"modified":"2026-10-03T03:45:47.993159312Z","published":"2026-10-01T10:42:18.208Z","database_specific":{"cwe_ids":["CWE-362"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103282.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103282.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-vf9h-87xm-g767"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103282"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ghost-0.5.0-before-6.23.0-multiple-account-creation-via-invite-token"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tryghost/ghost","events":[{"introduced":"3478aa3a926ed8eadc9599ce9e97db0aa6fc6f70"},{"fixed":"e494949a92346da25e5bbed29e16ff586e99f857"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0.5.0"},{"fixed":"6.23.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103282.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}