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Malicious package

oakmi15100RubyGems

Advisory published Updated

oakmi15100 is a confirmed malicious RubyGems package (MAL-2026-8381) 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 oakmi15100 (RubyGems)

MAL-2026-8381
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall oakmi15100

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

093daadc9b43f23fc3934388c4aa4895f7ba44a026a3a7a1bd6546ba32c2ae0b
9060b702bb481bfb066b790369886cef2807c546db3f807d49db3a83c33ea018

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for oakmi15100 (version 0.0.1).

  2. If you installed it — respond

    Remove oakmi15100 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 oakmi15100 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. oakmi15100 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-2026-03032RLUA-2026-08896

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks oakmi15100-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

oakmi15100 (RubyGems) malicious package — MAL-2026-8381 | O3 Security