by Kastro
Paper/Archive/CVE-2026-25089

CVE-2026-25089

Fortinet FortiSandbox — Fortinet FortiSandbox OS Command Injection Vulnerability

KEV · due 19 JulEPSS 76%public exploitSSVC actCVSS 9.1
critical.is priorityof 100
97
CVSS 9.1 (CNA)9.1 / 10 × 3027.3In CISA KEV+3030.0EPSS percentile 99.5.995 × 2019.9Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests

Affected

ProductAffectedFixed inSource
FortiSandbox5.0.0 – 5.0.5–CNA
FortiSandbox4.4.0 – 4.4.8–CNA
FortiSandbox4.2.1 – 4.2.8–CNA
FortiSandbox Cloud5.0.4 – 5.0.5–CNA
FortiSandbox PaaS5.0.4 – 5.0.5–CNA

Scores by source

fortinet (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

reffortiguard.fortinet.com/psirt/FG-IR-26-141refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25089kevcisa.gov/known-exploited-vulnerabilities-catalog