Command Injection

Command injection is a class of attack in which an application passes unsanitized user input to an operating system shell, and the attacker uses shell metacharacters to append or substitute their own commands for execution.

Vulnerability ManagementVSDVulnerabilityIntermediateCONFIDENTIAL2,338 words10 min readApr 7, 2026

Last updated Apr 11, 2026

CLASSIFICATION: CONFIDENTIAL

This article requires CONFIDENTIAL clearance or higher.

What you need

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Also at this clearance level

Threat IntelligenceTIDThreatIntermediate

Table of Contents

Command Injection

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Salt Typhoon

Single Sign-On (SSO) Architecture

The Academy

The Command Post

The Armory