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Fortinet FortiMail Path Traversal (CVE-2026-126153)

CVE-2026-126153 is a path traversal vulnerability in multiple versions of Fortinet FortiMail that allows unauthenticated attackers to execute unauthorized commands via crafted requests.

CVE search metadata

CVE search record: CVE-2026-126153. Severity: high. CVSS: 7.5. KEV: no. Product: 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 all versions. Brief: Fortinet FortiMail Path Traversal (CVE-2026-126153). Brief link: https://feed.craftedsignal.io/briefs/2026-11-fortinet-fortimail-path-traversal-cve-2026-126153/

Triage facts

Revision 1
Applicability
FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6 +2
Evidence
Unknown
Severity
High
Sources
1 public source
Freshness
Revision 1Nov 12, 00:11 UTC
Vulnerabilities
1 CVE
Source quality
A2Roughly even chance

Fortinet FortiMail versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.6, 7.4.0 through 7.4.8, and all versions of 7.2 are affected by an improper limitation of a pathname to a restricted directory vulnerability, also known as path traversal. This flaw allows an unauthenticated attacker to execute unauthorized commands via crafted requests.

Impact

Successful exploitation allows an unauthenticated attacker to execute unauthorized commands on the target appliance.