Malicious Package Affecting @aifabrix/miso-client package, versions =4.7.2


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Attacked

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  • Snyk IDSNYK-JS-AIFABRIXMISOCLIENT-15603046
  • published15 Mar 2026
  • disclosed14 Mar 2026
  • creditIlyas Makari

Introduced: 14 Mar 2026

Malicious CVE NOT AVAILABLE CWE-506  (opens in a new tab)

How to fix?

Avoid using all malicious instances of the @aifabrix/miso-client package.

Overview

@aifabrix/miso-client is a malicious package. This package was affected by the 'GlassWorm' supply chain attack. It includes a hidden malicious payload embedded with invisible Unicode characters. These characters hide a decoder that retrieves and executes a concealed payload through eval(). When activated, this payload downloads a second-stage script that steals tokens, credentials, and secrets.

CVSS Base Scores

version 4.0
version 3.1