CVE-2026-126167

HIGHCVSS 7.2/10EPSS 1.51%

Last modified

CVE-2026-126167 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A improper neutralization of special elements used in a command ('command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.2, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions 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.. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

Description

A improper neutralization of special elements used in a command ('command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.2, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions 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.

Metrics

EPSS Probability
1.51%

74.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
FortinetFortiMail>= 8.0.0, <= 8.0.2; >= 7.6.0, <= 7.6.6; >= 7.4.0, <= 7.4.8; >= 7.2.0, <= 7.2.9

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-126167?
A improper neutralization of special elements used in a command ('command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.2, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions 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.
How severe is CVE-2026-126167?
CVE-2026-126167 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126167?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST