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Malicious package

chmid6000x524101RubyGems

Advisory published Updated

chmid6000x524101 is a confirmed malicious RubyGems package (MAL-2026-7579) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in chmid6000x524101 (RubyGems)

MAL-2026-7579
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall chmid6000x524101

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

cce961925d33db72c9985b74ff71acb11c086b27dd3f57c9d8145da70c4ad8c2
c0aa8bef22bf520bbebb04659710abbc510e6f8641ecaef156326525d6268ac6

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for chmid6000x524101 (version 0.0.1).

  2. If you installed it — respond

    Remove chmid6000x524101 from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If chmid6000x524101 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. chmid6000x524101 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02230RLUA-2026-07905

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks chmid6000x524101-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

chmid6000x524101 (RubyGems) malicious package — MAL-2026-7579 | O3 Security