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CVE-2025-27146— Matrix IRC Bridge allows IRC command injection to own puppeted user

Quick assessment

Affected
matrix-org matrix-appservice-irc
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

matrix-appservice-irc是Matrix的一款网桥。这个网桥会将所有 IRC 消息传递给 Matrix，并将所有 Matrix 消息传递给 IRC。 matrix-appservice-irc 3.0.3版本及之前版本存在安全漏洞。攻击者利用该漏洞可以执行任意 IRC 命令。

CVSS 2.7 · Low EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-27146

Vulnerability Information
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Vulnerability Title
Matrix IRC Bridge allows IRC command injection to own puppeted user
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
matrix-appservice-irc 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
matrix-appservice-irc是Matrix的一款网桥。这个网桥会将所有 IRC 消息传递给 Matrix，并将所有 Matrix 消息传递给 IRC。 matrix-appservice-irc 3.0.3版本及之前版本存在安全漏洞。攻击者利用该漏洞可以执行任意 IRC 命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
matrix-org matrix-appservice-irc < 3.0.4 -

II. Public POCs for CVE-2025-27146

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III. Intelligence Information for CVE-2025-27146

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Patches & Fixes for CVE-2025-27146 (1)

Vendor Advisories for CVE-2025-27146 (1)

IV. Related Vulnerabilities

Same product: matrix-appservice-irc
Same vendor: matrix-org
Same weakness: CWE-77

V. Comments for CVE-2025-27146

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