CVE-2026-104286 (GCVE-0-2026-104286)
Vulnerability from cvelistv5
- CWE-22 - Execute unauthorized code or commands
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Fortinet | FortiMail |
Version: 8.0.0 ≤ 8.0.1 Version: 7.6.0 ≤ 7.6.6 Version: 7.4.0 ≤ 7.4.8 Version: 7.2.0 ≤ 7.2.9 Version: 7.0.0 ≤ 7.0.9 cpe:2.3:a:fortinet:fortimail:8.0.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:7.0.0:*:*:*:*:*:*:* |
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2026-10-01
Due date: 2026-10-04
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.
Used in ransomware: Unknown
Notes: https://fortiguard.fortinet.com/psirt/FG-IR-26-175 ; ; 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-2026-104286
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"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:fortinet:fortimail:8.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.6.6:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.4.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.4.7:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:*",
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"defaultStatus": "unaffected",
"product": "FortiMail",
"vendor": "Fortinet",
"versions": [
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"status": "affected",
"version": "8.0.0",
"versionType": "semver"
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"value": "An improper limitation of a pathname to a restricted directory (\u0027path traversal\u0027) vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9, FortiMail 7.0 all versions may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests."
}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"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:P/RL:O/RC:C",
"version": "3.1"
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"description": "Execute unauthorized code or commands",
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"solutions": [
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"lang": "en",
"value": "Upgrade to FortiMail version 8.0.2 or above\nUpgrade to FortiMail version 7.6.7 or above\nUpgrade to FortiMail version 7.4.9 or above\nUpgrade to upcoming FortiMail version 7.2.10 or above"
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"dateAdded": "2026-10-01",
"dueDate": "2026-10-04",
"forensicTriage": "Yes",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://fortiguard.fortinet.com/psirt/FG-IR-26-175 ; ; 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-2026-104286",
"product": "FortiMail",
"requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (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\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"shortDescription": "Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.",
"vendorProject": "Fortinet",
"vulnerabilityName": "Fortinet FortiMail Path Traversal Vulnerability"
},
"vulnrichment": {
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.