Description

Exploitation through affected command-line operations could allow an authenticated low-privileged user to execute arbitrary commands as a privileged user on the underlying operating system.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-09-01T21:18:41.863Z",
  "pubdate": "2026-09-01T21:18:41.863Z",
  "executiveSummary": "This vulnerability is classified as an improper neutralization of special elements used in an OS command, commonly referred to as Command Injection. The flaw enables an authenticated, low-privileged user to execute arbitrary commands with elevated system-level privileges.\nThe security impact is critical, as it facilitates full system compromise by allowing unauthorized entities to bypass security boundaries. By leveraging affected command-line operations, an attacker can transition from a restricted environment to the underlying operating system's execution context.\nThe vulnerability requires the attacker to possess authenticated access to the system. While network exposure depends on the specific product implementation, the requirement for low-privileged authentication suggests an internal threat vector or an exploited user session. Successful exploitation grants the attacker the execution context of a privileged user, which may include root or administrative rights, leading to unauthorized data access, system modification, or persistent malware installation.\nThe risk implication is severe, as it undermines the integrity and confidentiality of the host operating system. Organizations must prioritize access control audits and input validation hardening to prevent the manipulation of CLI interfaces that interact directly with the OS shell.",
  "technicalDetails": "The root cause of this vulnerability lies in the insecure handling of user-supplied input during the execution of command-line operations. When a system process constructs a shell command by concatenating strings containing untrusted user input without adequate sanitization or escaping, it becomes susceptible to command injection.\nThe exploitation mechanism involves the attacker injecting shell metacharacters—such as semicolons (;), pipes (|), ampersands (&), or backticks (`)—into parameters processed by the command-line interface. When the application passes these inputs to an underlying system shell (e.g., /bin/sh, /bin/bash, or cmd.exe), the shell interprets the metacharacters as command separators or execution operators. This allows the attacker to terminate the intended command prematurely and append arbitrary malicious instructions.\nThe attack flow follows a structured sequence: First, the authenticated user identifies an input field or parameter that influences an OS command execution. Second, the user crafts a payload containing shell injection characters followed by the target malicious payload. Third, the application's back-end component fails to enforce strict input validation or use parameterized APIs (such as execve() instead of system()), inadvertently executing the injected command. Fourth, the operating system executes the attacker-supplied payload with the effective permissions of the application process. If the application runs with elevated privileges (e.g., as root or SYSTEM), the injected commands inherit these elevated capabilities.\nThe vulnerable component typically resides in internal management scripts, administrative utilities, or application modules that perform system-level tasks. Because the payload is executed by the OS process, the attacker gains the ability to interact with the underlying file system, install backdoors, modify system configurations, or escalate privileges further within the host environment.\nPost-exploitation behavior depends entirely on the attacker's intent. Because the commands are executed within a privileged context, standard OS security controls may be bypassed if they are not explicitly configured to monitor the specific application process performing the execution. This permits the attacker to establish a reverse shell, exfiltrate sensitive configuration files, or disable local security services."
}