{"id":"BIT-ghost-2026-103273","summary":"Ghost 4.3.0 before 6.58.0 Incorrect Authorization via Staff Token","details":"Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assigned privilege level.","aliases":["CVE-2026-103273","GHSA-jj85-wvj2-r86m"],"modified":"2026-10-09T12:10:59.611671387Z","published":"2026-10-09T10:44:51.391Z","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-jj85-wvj2-r86m"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103273"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ghost-4.3.0-before-6.58.0-incorrect-authorization-via-staff-token"}],"affected":[{"package":{"name":"ghost","ecosystem":"Bitnami","purl":"pkg:bitnami/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.3.0"},{"fixed":"6.58.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-103273.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"}