Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-07-16. Ransomware campaign use: Unknown.
CISA required action: Apply 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 due date: 2026-07-19. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Fortinet / FortiSandbox
Default status: unaffected
- affected: 4.4.0 to ≤ 4.4.8 (semver)
Fortinet / FortiSandbox PaaS
Default status: unaffected
- affected: 23.4.4374
- affected: 23.4.4350
- affected: 23.3.4329
- affected: 23.1.4245
- affected: 22.2.4151
- affected: 22.2.4134
- affected: 22.1.4113
- affected: 21.4.4072
- affected: 21.3.4055
Fixes and workarounds
Upgrade to FortiSandbox version 4.4.9 or above Upgrade to FortiSandbox PaaS version 5.0.2 or above
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.93189,
"percentile": 0.99837
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.93189,
"percentile": 0.99836
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.93189,
"percentile": 0.99836
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.93189,
"percentile": 0.99836
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.93189,
"percentile": 0.99836
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.93189,
"percentile": 0.99836
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.93189,
"percentile": 0.99835
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.93189,
"percentile": 0.99836
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.93189,
"percentile": 0.99834
}03 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-39808",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-14T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808"
},
"type": "kev"
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}
],
"providerMetadata": {
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"references": [
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"tags": [
"exploit"
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"url": "https://github.com/samu-delucas/CVE-2026-39808"
},
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-07-16T00:00:00.000Z",
"value": "CVE-2026-39808 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
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"cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*"
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"cpe:2.3:a:fortinet:fortisandboxpaas:23.1.4245:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:22.2.4151:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:22.2.4134:*:*:*:*:*:*:*",
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{
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{
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{
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"version": "22.2.4151"
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{
"status": "affected",
"version": "22.2.4134"
},
{
"status": "affected",
"version": "22.1.4113"
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{
"status": "affected",
"version": "21.4.4072"
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{
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"descriptions": [
{
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"value": "A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via <insert attack vector here>"
}
],
"metrics": [
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"attackVector": "NETWORK",
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"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
"version": "3.1"
},
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],
"problemTypes": [
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"description": "Execute unauthorized code or commands",
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"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to FortiSandbox version 4.4.9 or above\nUpgrade to FortiSandbox PaaS version 5.0.2 or above"
}
]
}
},
"cveMetadata": {
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"assignerShortName": "fortinet",
"cveId": "CVE-2026-39808",
"datePublished": "2026-04-14T15:38:02.089Z",
"dateReserved": "2026-04-07T15:24:03.838Z",
"dateUpdated": "2026-07-17T03:56:21.793Z",
"state": "PUBLISHED"
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}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.93189,
"percentile": 0.99834
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2026-39808",
"cwes": [
"CWE-78"
],
"dateAdded": "2026-07-16",
"dueDate": "2026-07-19",
"forensicTriage": "Yes",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-39808",
"product": "FortiSandbox",
"requiredAction": "Apply 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.",
"shortDescription": "Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.",
"vendorProject": "Fortinet",
"vulnerabilityName": "Fortinet FortiSandbox OS Command Injection Vulnerability"
}