CVE-2026-25089
PUBLISHEDA improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through...
Recommended Action
Track for updates. Assess relevance to your asset inventory and enrichment workflows.
At a Glance
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
- CVE Published
- Jun 09, 2026
- —
- —
- CVSS
- 9.8 Critical
- EPSS
- 2.0%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Fortinet |
FortiSandbox
|
5.0.0 to <= 5.0.5 |
Affected |
| Fortinet |
FortiSandbox
|
4.4.0 to <= 4.4.8 |
Affected |
| Fortinet |
FortiSandbox
|
4.2.1 to <= 4.2.8 |
Affected |
| Fortinet |
FortiSandbox Cloud
|
5.0.4 to <= 5.0.5 |
Affected |
| Fortinet |
FortiSandbox PaaS
|
5.0.4 to <= 5.0.5 |
Affected |
CVE References
Recommended Actions
- Track for updates. Assess relevance to your asset inventory and enrichment workflows.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
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No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users via the Pro API.
Learn About Virtual PatchesCVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Proof of concept available
Recorded 2026-06-10 02:31:51 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Recent Mentions
TheHackerNews · Jun 16, 2026
Bad actors are exploiting multiple security vulnerabilities in Fortinet FortiSandbox, according to threat intelligence firm Defused Cyber. In a post shared on X, the company said it has observed exploitation of CVE-2026-39813, CVE-2026-39808, and CVE-2026-25089 over the past 24 hours. CVE-2026-39813 (CVSS score: 9.1) refers to a path traversal vulnerability in FortiSandbox JRPC API that could
TheHackerNews · Jun 10, 2026
Fortinet, Ivanti, and SAP have released security updates to address multiple critical security vulnerabilities that could result in arbitrary code execution and information disclosure. The security flaw patched by Fortinet relates to a command injection vulnerability in FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS WEB UI. It's tracked as CVE-2026-25089 (CVSS score: 9.1). "An
Daily CyberSecurity · Jun 10, 2026
A critical security vulnerability tracks as CVE-2026-25089 inside the Fortinet ecosystem. This dangerous flaw scores a high 9.1 The post Critical FortiSandbox Flaw Requires Immediate Patching appeared first on Daily CyberSecurity. Related posts: High-Severity Cacti Flaw (CVE-2025-66399) Risks Remote Code Execution via SNMP Community String Injection Under Active Attack: Critical 9.1 CVSS FortiClient EMS Flaw Exploited in the Wild Critical 9.1 Flaws Hit Fortinet FortiSandbox
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2026-06-10 02:31:51 UTC · 0 stars
CVE-2026-25089 - Draft - Fortinet FortiSandbox
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
02:31 UTC 24 days ago02:31 UTC · 24 days ago
Public PoC available
Public proof-of-concept code published
-
14:27 UTC 25 days ago14:27 UTC · 25 days ago
CVE published
Vulnerability disclosed publicly
-
09:27 UTC 5 months ago09:27 UTC · 5 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2026-25089
{
"cve_id": "CVE-2026-25089",
"title": "A improper neutralization of special elements used in an os command (\'os comm...",
"affected_vendor": "Fortinet",
"affected_product": "FortiSandbox, FortiSandbox Cloud, FortiSandbox PaaS",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": null,
"cvss_score": 9.8,
"epss_score": 0.02027,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}