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Malicious package

m8320v5tkvRubyGems

Advisory published Updated

m8320v5tkv is a confirmed malicious RubyGems package (MAL-2026-8065) 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 m8320v5tkv (RubyGems)

MAL-2026-8065
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall m8320v5tkv

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

a8588192c17e0334c16c77b4a833671fef88ccfe151128d1e8f6228bf1e2d927
ec74101680fcf955cff6c8efcdea538acd9615d7d249d7f9e7f48d717ce16739

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for m8320v5tkv (version 0.0.1).

  2. If you installed it — respond

    Remove m8320v5tkv 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 m8320v5tkv 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. m8320v5tkv 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-2026-02716RLUA-2026-08564

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks m8320v5tkv-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

m8320v5tkv (RubyGems) malicious package — MAL-2026-8065 | O3 Security