{"id":"CVE-2026-39808","aliases":["EUVD-2026-22338","GHSA-wfjv-vrx5-2cf2"],"status":"published","title":"A improper neutralization of special elements used in an os command ('os command injection')...","description":"A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.93189,"percentile":0.99837,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2026-04-14T15:38:02Z","modified":"2026-10-26T21:10:00Z","kev":{"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.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2026-07-16"},{"source":"kev","since":"2026-07-16"}],"exploits":[{"source":"pocgithub","id":"samu-delucas/CVE-2026-39808","title":"samu-delucas/CVE-2026-39808","date":"2026-04-15","url":"https://github.com/samu-delucas/CVE-2026-39808"},{"source":"pocgithub","id":"ashrafzaryouh/CVE-2026-39808","title":"ashrafzaryouh/CVE-2026-39808","date":"2026-04-18","url":"https://github.com/ashrafzaryouh/CVE-2026-39808"},{"source":"pocgithub","id":"ynsmroztas/FortiSandbox-RCE-Exploit-CVE-2026-39808","title":"ynsmroztas/FortiSandbox-RCE-Exploit-CVE-2026-39808","date":"2026-04-21","url":"https://github.com/ynsmroztas/FortiSandbox-RCE-Exploit-CVE-2026-39808"},{"source":"pocgithub","id":"HORKimhab/CVE-2026-39808","title":"HORKimhab/CVE-2026-39808","date":"2026-06-17","url":"https://github.com/HORKimhab/CVE-2026-39808"},{"source":"pocgithub","id":"error-inside/CVE-2026-39808","title":"error-inside/CVE-2026-39808","date":"2026-06-18","url":"https://github.com/error-inside/CVE-2026-39808"},{"source":"pocgithub","id":"gotr00t0day/CVE-2026-39808","title":"gotr00t0day/CVE-2026-39808","date":"2026-10-03","url":"https://github.com/gotr00t0day/CVE-2026-39808"},{"source":"pocgithub","id":"Ghost-Bx1/Fortinet-Exploits-CVE-2026-39808-106173-107656","title":"Ghost-Bx1/Fortinet-Exploits-CVE-2026-39808-106173-107656","date":"2026-10-25","url":"https://github.com/Ghost-Bx1/Fortinet-Exploits-CVE-2026-39808-106173-107656"},{"source":"nuclei","id":"CVE-2026-39808","title":"Fortinet FortiSandbox - Command Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-39808.yaml"}],"products":[{"vendor":"fortinet","product":"fortisandbox"},{"vendor":"fortinet","product":"fortisandbox paas"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-100","tags":["Vendor Advisory"]},{"url":"https://github.com/samu-delucas/CVE-2026-39808","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39808"},{"url":"https://github.com/advisories/GHSA-wfjv-vrx5-2cf2"}],"sources":{"cve":[{"id":"CVE-2026-39808","description":"A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-04-14T15:38:02.089Z","modified":"2026-07-17T03:56:21.793Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:20:02.662847Z"}],"euvd":[{"id":"EUVD-2026-22338","description":"A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-04-14T15:38:02Z","modified":"2026-07-17T03:56:21Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"critical"}],"exploited_since":"2026-07-16","updated_at":"2026-11-02T18:19:51.364603Z"}],"ghsa":[{"id":"GHSA-wfjv-vrx5-2cf2","title":"A improper neutralization of special elements used in an os command ('os command injection')...","description":"A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-04-14T18:30:35Z","modified":"2026-07-16T18:32:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:09:33.90316Z"}],"kev":[{"id":"CVE-2026-39808","title":"Fortinet FortiSandbox OS Command Injection Vulnerability","description":"Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.","cwes":["CWE-78"],"kev":{"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.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2026-39808","description":"A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e","status":"published","published":"2026-04-14T16:16:44.86Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}