CVE-2026-109390

{"id": "CVE-2026-109390", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-109390", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-12T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "AnyDesk", "product": "AnyDesk", "versions": [{"status": "affected", "version": "8.0.0", "lessThan": "8.0.3", "versionType": "semver"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}]}], "published": "2026-10-12T15:17:07.980", "references": [{"url": "https://anydesk.com/en/changelog/linux", "source": "cve@mitre.org"}, {"url": "https://github.com/v12-security/pocs/tree/main/anydesk", "source": "cve@mitre.org"}, {"url": "https://github.com/v12-security/pocs/tree/main/anydesk", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-130"}]}], "descriptions": [{"lang": "en", "value": "AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated."}], "lastModified": "2026-10-16T17:25:57.940", "sourceIdentifier": "cve@mitre.org"}