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Malicious package

oakmi15500RubyGems

Advisory published Updated

oakmi15500 is a confirmed malicious RubyGems package (MAL-2026-8385) 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 oakmi15500 (RubyGems)

MAL-2026-8385
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall oakmi15500

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

88a421959bad9020df132babeed5e622b559c1123806dd0c4be794db50fee399
954292a3ac100e9a59152cf6234fd876d55333094402c1232d10e7f6c9b502c1

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for oakmi15500 (version 0.0.1).

  2. If you installed it — respond

    Remove oakmi15500 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 oakmi15500 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. oakmi15500 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-2026-03036RLUA-2026-08900

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks oakmi15500-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

oakmi15500 (RubyGems) malicious package — MAL-2026-8385 | O3 Security