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Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVE-2025-27146

Medium
4.3/10

Summary

The matrix-appservice-irc is a Node.js IRC bridge for Matrix. It contains a vulnerability that can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. This issue affects matrix-appservice-irc versions prior to 3.0.4.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • NONE
  • LOW
  • NONE
  • NONE

CWE-77 - Command Injection

A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.

References

Advisory Timeline

  • Published