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CVE-2026-126149

HighCVSS 7.5/10Last modified Nov 12, 2026

Description

A integer overflow or wraparound 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 all versions may allow a remote unauthenticated attacker to crash the daemon.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Fortinet	FortiMail	>= 8.0.0, <= 8.0.1; >= 7.6.0, <= 7.6.6; >= 7.4.0, <= 7.4.8; >= 7.2.0, <= 7.2.9; >= 7.0.0, <= 7.0.9

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-201

Timeline

Published: Nov 11, 2026
Last modified: Nov 12, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-1261509.1A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMai CVE-2026-1261517.5A incorrect implementation of authentication algorithm vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.CVE-2026-1261527.6A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, F CVE-2026-1261537.5A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, Fo CVE-2026-1261547.5A out-of-bounds write 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,CVE-2026-1261559.1A incorrect authorization 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.CVE-2026-1261569.1A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, F CVE-2026-1261579.1A improper authentication 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.CVE-2026-1261587.2A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 throu CVE-2026-1261597.5A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, F CVE-2026-126166.9The /v1/upload/sbom endpoint extracts the iss claim from the attacker-supplied JWT with signature verification disabled, then interpolates t CVE-2026-1261608.2A improper authentication 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.

CVE-2026-126149: High severity, CVSS 7.5 | Vulnix