Malicious Package Affecting dendreo package, versions =1.1.3=1.1.4


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-RUBY-DENDREO-18017729
  • published19 Jul 2026
  • disclosed18 Jul 2026

Introduced: 18 Jul 2026

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

How to fix?

Avoid using all malicious instances of the Dendreo package.

Overview

Dendreo is a malicious package. This package contains malicious code and is part of the SleeperGem supply chain campaign targeting RubyGems users. Malicious functionality was introduced in the specified affected versions of the package.

References

CVSS Base Scores

version 4.0
version 3.1