{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-40226", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-04-10T15:18:10.040Z", "datePublished": "2026-04-10T15:18:10.447Z", "dateUpdated": "2026-04-10T15:34:22.039Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "systemd", "vendor": "systemd", "versions": [{"lessThan": "260", "status": "affected", "version": "233", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-348", "description": "CWE-348 Use of Less Trusted Source", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-10T15:34:22.039Z"}, "references": [{"url": "https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file."}], "id": "CVE-2026-40226", "lastModified": "2026-04-10T16:16:33.447", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-04-10T16:16:33.447", "references": [{"source": "cve@mitre.org", "url": "https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-348"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{}