{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105646","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-05T16:40:39.613Z","datePublished":"2026-10-05T18:58:26.224Z","dateUpdated":"2026-10-07T21:41:48.865Z"},"containers":{"cna":{"title":"Ghost: Regular Expression Denial of Service in Content Import","problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-fwh9-qg68-vxp4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-fwh9-qg68-vxp4"},{"name":"https://github.com/TryGhost/Ghost/pull/31058","tags":["x_refsource_MISC"],"url":"https://github.com/TryGhost/Ghost/pull/31058"},{"name":"https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce","tags":["x_refsource_MISC"],"url":"https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce"},{"name":"https://github.com/TryGhost/Ghost/releases/tag/v6.66.0","tags":["x_refsource_MISC"],"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.66.0"}],"affected":[{"vendor":"TryGhost","product":"Ghost","versions":[{"version":">= 4.0.0, < 6.67.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-05T18:58:26.224Z"},"descriptions":[{"lang":"en","value":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, a crafted content import file could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0."}],"source":{"advisory":"GHSA-fwh9-qg68-vxp4","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T21:41:37.379990Z","id":"CVE-2026-105646","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-07T21:41:48.865Z"}}]}}