cve.bz

CVE-2026-126169 fortinet fortimail: Argument Injection

7.2 highEPSS 0.7%

High (7.2) in fortinet fortimail. EPSS 0.7% estimated probability of exploitation activity in the next 30 days.

On this page
A improper neutralization of argument delimiters in a command ('argument 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.

Severity

CVSS 3.1

7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.7% estimated probability of exploitation activity in the next 30 days; 52nd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-88 Improper Neutralization of Argument Delimiters in a Command (Argument Injection)
OWASP Top 10
A05:2025 Injection
Published
Modified
Assigned by
fortinet (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

Show the promptExplain CVE-2026-126169 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-126169?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-126169?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-126169 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-126169

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-126169](https://cve.bz/cve/badge/CVE-2026-126169.svg)](https://cve.bz/cve/CVE-2026-126169)

HTML:

<a href="https://cve.bz/cve/CVE-2026-126169"><img src="https://cve.bz/cve/badge/CVE-2026-126169.svg" alt="CVE-2026-126169"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Fortinet FortiMailfrom 8.0.0 through 8.0.2
Fortinet FortiMailfrom 7.6.0 through 7.6.6
Fortinet FortiMailfrom 7.4.0 through 7.4.8
Fortinet FortiMailfrom 7.2.0 through 7.2.9

Attack patterns (CAPEC)

  • CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads Likelihood: High · Severity: High
  • CAPEC-88 OS Command Injection Likelihood: High · Severity: High
  • CAPEC-137 Parameter Injection Likelihood: Medium · Severity: Medium
  • CAPEC-174 Flash Parameter Injection Likelihood: High · Severity: Medium
  • CAPEC-460 HTTP Parameter Pollution (HPP) Severity: Medium

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

Check your stackJSON