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Critical · 9.8 Public exploit CVE-2026-126148 EUVD-2026-123820GHSA-94pv-xwr4-33w5

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 thro…

Published Nov 11, 2026 · Updated Nov 14, 2026 · Assigned by fortinet

Vendor: Fortinet Product: FortiMail Category: Network devices

Description

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6 may allow an unauthenticated attacker to execute unauthorized code or commands via crafted HA join-request packets.

Affected products

VendorProductAffectedFixed
Fortinet FortiMail 8.0.0 – ≤ 8.0.1, 7.6.0 – ≤ 7.6.6 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • googlesky/CVE-2026-126148 ★ 0 · Nov 12, 2026

    Containerised PoC for CVE-2026-126148 (Fortinet FG-IR-26-200): an OS command injection (CWE-78) in the FortiMail HA cluster lets one unauthenticated join-request packet reach command execution as roo…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References