{"id":"CVE-2026-70589","state":"PUBLISHED","title":"Ghost: Archived Offers can be Redeemed","description":"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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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.","publishedAt":"2026-08-04T21:11:03.111Z","updatedAt":"2026-08-05T14:16:41.921Z","severity":{"score":4.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["TryGhost Ghost"],"affected":[{"vendor":"TryGhost","product":"Ghost","versions":[{"version":">= 4.22.0, < 6.54.1","status":"affected"}]}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3","https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/70xxx/CVE-2026-70589.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70589","state":"PUBLISHED","datePublished":"2026-08-04T21:11:03.111Z","dateUpdated":"2026-08-05T14:16:41.921Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-04T19:50:27.327Z"},"containers":{"cna":{"title":"Ghost: Archived Offers can be Redeemed","descriptions":[{"lang":"en","value":"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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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."}],"affected":[{"vendor":"TryGhost","product":"Ghost","versions":[{"version":">= 4.22.0, < 6.54.1","status":"affected"}]}],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3","name":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb","name":"https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-04T21:11:03.111Z"},"source":{"advisory":"GHSA-4wx2-7gvj-qfq3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T14:16:36.620929Z","id":"CVE-2026-70589","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T14:16:41.921Z"}}]}}}