{"id":"BIT-ghost-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":["CVE-2026-103282","GHSA-vf9h-87xm-g767"],"modified":"2026-10-09T12:11:01.020234486Z","published":"2026-10-09T10:45:00.828Z","database_specific":{"cpes":["cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-vf9h-87xm-g767"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103282"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ghost-0.5.0-before-6.23.0-multiple-account-creation-via-invite-token"}],"affected":[{"package":{"name":"ghost","ecosystem":"Bitnami","purl":"pkg:bitnami/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.5.0"},{"fixed":"6.23.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-103282.json"},"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}