CVE-2026-39808Vulnerability
Fortinet FortiSandbox OS Command Injection Vulnerability
Reported by 3 independent sources · first reported by Recorded Future · last reported
Last reported 28 days ago
Fix due 19 Jul 2026
Used by ransomware: not knownCISA KEV catalogue
higher than 98% of CVEsFIRST EPSS, as of 24 Oct 2026
What the reports say
4 reports, newest first · the exact sentence from each-
Cyber Brief 26-08 - July 2026“… 16, CISA added two critical Fortinet FortiSandbox vulnerabilities to the KEV catalogue amid active exploitation (CVE-2026-25089 and CVE-2026-39808).”
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July 2026 CVE Landscape“CVE-2026-39808”
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CISA Mandates Urgent Patch for Actively Exploited Critical Fortinet Vulnerabilities“The vulnerabilities, tracked as CVE-2026-39808 and CVE-2026-25089 are both critical, with a severity rating (CVSS) of 9.1 each.”
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June 2026 CVE Landscape“CVE-2026-39808”
Indicators reported together
named in the same reports- cert[.]lvin 1 report
Copy this indicator · defanged
Also named with it: CVE-2026-25089, CVE-2024-42009, CVE-2026-15409, CVE-2026-15410, CVE-2025-55182, CVE-2021-27137, CVE-2026-46817, CVE-2026-48907, CVE-2026-12569, CVE-2025-49113, CVE-2026-33824, CVE-2025-5777, CVE-2026-48294, CVE-2026-11645, CVE-2026-42897, CVE-2026-28318, CVE-2026-20230, CVE-2026-35616, CVE-2026-33825
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