CVE-2026-126166 +3 CVEs: Fortinet Improper neutralization of special elements used in a command
This Fortinet advisory covers CVE-2026-126166 and CVE-2026-126167 and 2 more CVEs in FortiMail. Its rating, versions and guidance apply to the bulletin as a whole, not to each of its 4 CVEs.
Key facts
- Bulletin rating
- High, CVSS 7.6
- Affected
- FortiMail: 7.2.0 through 8.0.2 (vendor-listed versions)
- Advisory id
- FG-IR-26-218
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
CVSSv3 Score:
7.6
An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') [CWE-88] in FortiMail may allow an authenticated remote attacker with domain admin or admin privileges to delete users of other tenant domains on a paired FortiAuthenticator, execute arbitrary code as root or arbitrary CLI commands, and read or write arbitrary files as root via crafted HTTP requests to the administrative interface.
Revised on 2026-11-10 00:00:00
Text from the source record.
- FortiMail: 7.2.0 through 8.0.2 (vendor-listed versions)
Official advisory · high-confidence parse· fetched ·verify at source
More Fortinet advisories
CVE-2026-126151Nov 10, 2026Incorrect implementation of authentication algorithm in fortiweb2CVE-2026-126155Nov 10, 2026FortiMail improper access controlCVE-2026-126148Nov 10, 2026FortiMail command injectionCVE-2026-126158Nov 10, 2026FortiMail command injectionCVE-2026-126164Nov 10, 2026FortiMail SQL injectionCVE-2026-126144Nov 10, 2026FortiMail command injection
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