SQL injection in FortiMail - CVE-2026-126263
Published: November 11, 2026
Vulnerability identifier: #VU165163
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126263
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper neutralization of special elements used in an sql command ('sql injection'). An authenticated attacker can execute unauthorized code or commands via specifically crafted requests.
Affected software
FortiMail
How to mitigate CVE-2026-126263
Install update from vendor's website.
FortiMail - addressed in versions 7.4.7, 7.6.7, 8.0.2