matrix-org matrix-appservice-irc up to 3.0.3 command injection

Summaryinfo

A vulnerability has been found in matrix-org matrix-appservice-irc up to 3.0.3 and classified as critical. The impacted element is an unknown function. The manipulation leads to command injection. This vulnerability is documented as CVE-2025-27146. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in matrix-org matrix-appservice-irc up to 3.0.3. This issue affects an unknown part. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-27146 since 02/19/2025. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 3.0.4 eliminates this vulnerability. Applying the patch 74f02c8e11f16ed1b355700092c1aa9c036a11bd is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Chat Software

Vendor

• matrix-org

Name

• matrix-appservice-irc

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3

License

• open-source

Website

• Product: https://github.com/matrix-org/matrix-appservice-irc/

CPE 2.3info

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CPE 2.2info

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