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CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability

criticalknown exploitedpublic exploitCVE-2026-25089
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Fortinetproduct: FortiSandboxRemote code execution
What
An OS command injection vulnerability allows unauthenticated attackers to execute unauthorized commands via crafted HTTP requests.
Who is affected
Users of FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS.
Urgency
Critical urgency due to confirmed exploitation.
Action
Update to the latest versions as specified in the advisory.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-07-16
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-25089

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-25089coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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