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Highest advisory severityCritical Exploited CISA KEV 1 vendor · 1 advisory

CVE-2026-39808

CVE-2026-39808: 1 tracked advisory record across Fortinet. CISA KEV listed; exploitation observed. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Fortinet

1 advisory
  • Advisory severityCritical9.1

    Critical [CVE-2026-39808] OS Command Injection through API endpoint

    FG-IR-26-100Source published Source updated

    CVSSv3 Score: 9.1 An Improper Neutralization of Special Elements used in an OS Command ('OS command injection') vulnerability [CWE-78] in FortiSandbox may allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests. Revised on 2026-04-14 00:00:00

    Affected products in this advisory
    • FortiSandbox PaaS
    Source-reported affected versions
    • FortiSandbox 4.4: 4.4.0 through 4.4.8
    Source-reported fixed versions
    • FortiSandbox 4.4: 4.4.9
    Mitigation guidance
    • Upgrade per the Affected/Solution table: FortiSandbox 4.4: 4.4.9.
    Full advisory and evidenceOpen source bulletin

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