{"schema":"threatline.record/2","record":{"id":"CVE-2026-39808","aliases":[],"summary":"Fortinet FortiSandbox OS Command Injection Vulnerability","details":"Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.","categories":["Network & edge"],"product":"FortiSandbox","vendor":"Fortinet","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-39808","source_modified_at":"2026-07-17T03:56:21.793Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"FortiSandbox","vendor":"Fortinet","versions":[{"lessThanOrEqual":"4.4.8","status":"affected","version":"4.4.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-39808","source_modified_at":"2026-07-17T03:56:21.793Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"FortiSandbox PaaS","vendor":"Fortinet","versions":[{"status":"affected","version":"23.4.4374"},{"status":"affected","version":"23.4.4350"},{"status":"affected","version":"23.3.4329"},{"status":"affected","version":"23.1.4245"},{"status":"affected","version":"22.2.4151"},{"status":"affected","version":"22.2.4134"},{"status":"affected","version":"22.1.4113"},{"status":"affected","version":"21.4.4072"},{"status":"affected","version":"21.3.4055"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":true,"date_added":"2026-07-16","due_date":"2026-07-19","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown","forensic_triage":true},"epss":{"probability":0.47362,"percentile":0.9884,"score_date":"2026-10-23"},"published_at":"2026-04-14T15:38:02.089Z","modified_at":"2026-07-17T03:56:21.793Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-39808","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-07-17T03:56:21.793Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-39808.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-39808","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-100"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39808","source":"CISA KEV"},{"source":"CVE List","url":"https://github.com/samu-delucas/CVE-2026-39808","tags":["exploit"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2026-04-14T00:00:00+00:00"},"exploits":[{"kind":"Scanner template","name":"Fortinet FortiSandbox - Command Injection","source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-39808.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-07-17T03:56:21.793Z","content_hash":"d229dee8f76abfeea63c27ecd28ee4562fa30cc25837162cd62ed8b773c5aeb0"}}