Improper Neutralization of Line Delimiters Affecting heisenbridge package, versions [,1.15.2)


Severity

Recommended
0.0
critical
0
10

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  • Snyk IDSNYK-PYTHON-HEISENBRIDGE-12304070
  • published2 Sept 2025
  • disclosed1 Apr 2025
  • creditfunderscore

Introduced: 1 Apr 2025

CVE NOT AVAILABLE CWE-144  (opens in a new tab)

How to fix?

Upgrade heisenbridge to version 1.15.2 or higher.

Overview

heisenbridge is an a bouncer-style Matrix IRC bridge

Affected versions of this package are vulnerable to Improper Neutralization of Line Delimiters due to insufficient sanitization, specifically, failure to strip carriage return characters, attackers can exploit it by injecting malicious commands via specially crafted messages. Affected versions are vulnerable to command injection in relay mode.

CVSS Base Scores

version 4.0
version 3.1