CYBER● ELEVATEDJul 20 · Jul 20, 2026, 5:15 AM
SleeperGem Uses Three Malicious RubyGems Packages to Target Developer Machines
The Hacker News
Cybersecurity researchers have flagged a new software supply chain attack codenamed SleeperGem targeting the Ruby ecosystem after three malicious gems were published to RubyGems with the end goal of serving additional payloads. The rogue gems are listed below - git_credential_manager (versions 2.8.0, 2.8.1, 2.8.2, 2.8.3) - Published on July 18, 2026 Dendreo (versions 1.1.3, 1.1.4) -
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