{"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": "2026-10-05T18:58:26.224Z"}, "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"}}}}

{}

{"affected": [{"affectedData": [{"product": "Ghost", "vendor": "TryGhost", "versions": [{"status": "affected", "version": ">= 4.0.0, < 6.67.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-105646", "lastModified": "2026-10-05T19:17:19.373", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-05T19:17:19.373", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce"}, {"source": "security-advisories@github.com", "url": "https://github.com/TryGhost/Ghost/pull/31058"}, {"source": "security-advisories@github.com", "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.66.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-fwh9-qg68-vxp4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}