CVE-2026-25089

9.1CRITICAL

Key Information:

Vendor

Fortinet
Status
Fortisandbox
Fortisandbox Cloud
Fortisandbox Paas
Vendor
CVE Published:
9 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-25089?

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 Version(s)

FortiSandbox 5.0.0 <= 5.0.5

FortiSandbox 4.4.0 <= 4.4.8

FortiSandbox 4.2.1 <= 4.2.8

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-25089
Created by HORKimhab

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-141

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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