{"id":"CVE-2026-70589","title":"Ghost is a Node.js content management system","summary":"Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-20"],"vendor":"ghost","product":"ghost","affected":["ghost >= 4.22.0, < 6.54.1"],"patched":["ghost 6.54.1"],"published":"2026-08-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:51:43.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70589","references":[{"url":"https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb","label":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-4wx2-7gvj-qfq3"}],"tags":["nvd","ghsa","npm"],"epss":0.00171,"epssPercentile":0.06874,"aliases":["GHSA-4wx2-7gvj-qfq3"],"ecosystem":"npm","ingestedAt":"2026-08-04T21:42:19.488Z","slug":"CVE-2026-70589","body":"## Overview\n\nGhost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-70589)\n\nAffected packages:\n\n- `ghost >= 4.22.0, < 6.54.1`\n\nPatched in:\n\n- `ghost 6.54.1`\n\nSource: https://github.com/advisories/GHSA-4wx2-7gvj-qfq3","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}