Matrix IRC Bridge allows IRC command injection to own puppeted user
Impact
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.
Patches
The vulnerability has been patched in matrix-appservice-irc version 3.0.4.
For more information
If you have any questions or comments about this advisory, please email us at security at matrix.org.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | matrix-appservice-irc | < 3.0.4 | 3.0.4 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-77, CWE-88- Platform
- npm
- Package
matrix-appservice-irc- Disclosed
- 25.02.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5mvm-89c9-9gm5 - CC BY 4.0
Vulnerability history: matrix-appservice-irc
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 9
- First → latest
- 05.2022 02.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 5
- Low 2
Disclosures per year
- 2022: 4
- 2023: 2
- 2024: 2
- 2025: 1
- 2026: 0
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