CVE-2025-27146

Summary

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.

Affected Software

Weaknesses

• CWE-77: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
• CWE-88: CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-5mvm-89c9-9gm5
• https://github.com/matrix-org/matrix-appservice-irc/commit/74f02c8e11f16ed1b355700092c1aa9c036a11bd

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