CVE-2025-27146

Name: CVE-2025-27146
Creator: NVD / NIST
Published: 2025-02-25T20:15:38.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2025-27146 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.35%

26.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Matrix	Matrix Irc Bridge	< 3.0.4

References

Timeline

Published: Feb 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27146?

How severe is CVE-2025-27146?

CVE-2025-27146 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27146?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST