CVE-2026-25089

Fortinet FortiSandbox OS Command Injection Vulnerability

Fortinet FortiSandboxNetwork & edge

CVSS

9.1Critical

ExploitationExploited in the wildAdded to KEV 16 Jul 2026CISA KEV

Exploit odds (EPSS)76.1%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline19 Jul 2026Remediation due date for US federal agenciesCISA KEV

CISA required actionApply 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. CISA KEV

Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

9 Jun 2026, 14:27 UTCPublishedCVE List
16 Jul 2026Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 5

FortiSandboxaffected: 5.0.0 through 5.0.5CVE List
FortiSandboxaffected: 4.4.0 through 4.4.8CVE List
FortiSandboxaffected: 4.2.1 through 4.2.8CVE List
FortiSandbox Cloudaffected: 5.0.4 through 5.0.5CVE List
FortiSandbox PaaSaffected: 5.0.4 through 5.0.5CVE List