{"schema":"threatline.record/2","record":{"id":"CVE-2026-109390","aliases":[],"summary":"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 appro","details":"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.","categories":["Unclassified"],"product":"AnyDesk","vendor":"AnyDesk","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109390","source_modified_at":"2026-10-13T03:55:34.743Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"AnyDesk","vendor":"AnyDesk","versions":[{"lessThan":"8.0.3","status":"affected","version":"8.0.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109390","source_modified_at":"2026-10-13T03:55:34.743Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"AnyDesk","ecosystem":null},"version":"8.0.3","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.0161,"percentile":0.7575,"score_date":"2026-10-23"},"published_at":"2026-10-12T14:40:10.223Z","modified_at":"2026-10-13T03:55:34.743Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109390","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T03:55:34.743Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109390","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/v12-security/pocs/tree/main/anydesk","tags":["exploit"]},{"source":"CVE List","url":"https://anydesk.com/en/changelog/linux"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-12T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T03:55:34.743Z","content_hash":"9f02bf2b3174b17444e92a0399d08784823d3d8ba8dee3d92836175dc295c5cd"}}