Fortinet FortiSandbox OS Command Injection Vulnerability (CVE-2026-25089)
Severity: critical · Patch status: unknown · Since 2026-07-16 · CVE-2026-25089
Fortinet FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS contain an OS command injection vulnerability that allows an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. CISA added CVE-2026-25089 to its Known Exploited Vulnerabilities catalog on Jul 16, 2026, which means attackers are exploiting it in the wild.
What to do
- 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.
- US federal agencies must remediate by Jul 19, 2026 (BOD 22-01); treat that as the outer limit.
Sources
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