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FortiMail argument injection lets privileged admins run root commands

Original title: Improper neutralization of special elements used in a command

Fortinet PSIRT ()1
Part of a story covered by 12 sourcesFortinet revises multiple high-severity advisories; no CVEs namedMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Domain or system admins can also delete users on a paired FortiAuthenticator and read or write files as root.

Fortinet reports an argument-injection flaw in FortiMail scored CVSS v3 7.6. An authenticated remote attacker who already has domain admin or admin privileges can send crafted HTTP requests to the administrative interface. Possible results include root code execution, arbitrary CLI commands, and reading or writing arbitrary files as root. Advisory FG-IR-26-218 was revised on November 10.

Unconfirmed: Affected versions, fixes, CVE identifiers and exploitation status are not stated.

Key facts
  • The flaw is CWE-88 argument injection.
  • Fortinet tracks it as FG-IR-26-218.
  • The attacker must already hold domain admin or admin rights.
  • Requests target the administrative HTTP interface.
Security assessment · AI, from the article

Impact: root code execution and cross-tenant user deletion

ProductAffected
Fortinet FortiMail—
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From the original article

CVSSv3 Score: 7.

Fortinet PSIRT

fortiguard.fortinet.com

Read the full article at Fortinet PSIRT

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.