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Malicious package

mvv7RubyGems

Advisory published Updated

mvv7 is a confirmed malicious RubyGems package (MAL-2026-8111) 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 mvv7 (RubyGems)

MAL-2026-8111
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall mvv7

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

8d6d5552d388fb49b66d234645eb15495dbbeb72d674a9b77918ebfaa1bcb7d2
414d10c3751c78ae7ca2c7875a1ae1a25f0d9b78a9d1860a6a146da7ceb76392

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for mvv7 (version 0.0.1).

  2. If you installed it — respond

    Remove mvv7 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 mvv7 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. mvv7 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-2026-02762RLUA-2026-08624

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks mvv7-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

mvv7 (RubyGems) malicious package — MAL-2026-8111 | O3 Security