CVE-2025-27146 – Matrix Appservice IRC Arbitrary IRC Command Execution Vulnerability

The following table lists the changes that have been made to the
CVE-2025-27146 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 25, 2025

    Action Type Old Value New Value
    Added Description matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
    Added CWE CWE-77
    Added CWE CWE-88
    Added Reference https://github.com/matrix-org/matrix-appservice-irc/commit/74f02c8e11f16ed1b355700092c1aa9c036a11bd
    Added Reference https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-5mvm-89c9-9gm5
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