CVE-2026-104286

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-104286
An improper limitation of a pathname to a restricted directory ('path traversal') 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-175 Mitigation Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
History

28 Oct 2026, 18:17

Type Values Removed Values Added
Summary (en) An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, 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. (en) An improper limitation of a pathname to a restricted directory ('path traversal') 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.

28 Oct 2026, 14:16

Type Values Removed Values Added
Summary (en) An improper limitation of a pathname to a restricted directory ('path traversal') 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 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests. (en) An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, 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.

02 Oct 2026, 12:35

Type Values Removed Values Added
First Time Fortinet
Fortinet fortimail
CPE cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
References () https://fortiguard.fortinet.com/psirt/FG-IR-26-175 - () https://fortiguard.fortinet.com/psirt/FG-IR-26-175 - Mitigation, Vendor Advisory
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286 - US Government Resource

01 Oct 2026, 20:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-10-01 20:17

Updated : 2026-10-28 20:09

NVD link : CVE-2026-104286

Mitre link : CVE-2026-104286

CVE.ORG link : CVE-2026-104286

JSON object : View

Products Affected

fortinet

  • fortimail
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')