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Malicious package

oakmi16100RubyGems

Advisory published Updated

oakmi16100 is a confirmed malicious RubyGems package (MAL-2026-8391) 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 oakmi16100 (RubyGems)

MAL-2026-8391
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall oakmi16100

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

30468f247bf264eea60c7e035650662e9653163854d91a23c53d0d2e3697fbdd
b3f9fe87fb55683335837013ef8e520998b5603b694d0d63d461bc7c65be2f41

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for oakmi16100 (version 0.0.1).

  2. If you installed it — respond

    Remove oakmi16100 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 oakmi16100 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. oakmi16100 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-2026-03042RLUA-2026-08906

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks oakmi16100-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

oakmi16100 (RubyGems) malicious package — MAL-2026-8391 | O3 Security