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Malicious package

m8402v4rgsRubyGems

Advisory published Updated

m8402v4rgs is a confirmed malicious RubyGems package (MAL-2026-8070) 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 m8402v4rgs (RubyGems)

MAL-2026-8070
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall m8402v4rgs

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

75f2fcad53a727a79fb2ecb9dea6daad5b4332ece804928362cad2129b1b2c2e
abd346af919e080585a08e5d902cf4bcb5e63a12bbc98ec01690ac92c35e2e4c

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for m8402v4rgs (version 0.0.1).

  2. If you installed it — respond

    Remove m8402v4rgs 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 m8402v4rgs 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. m8402v4rgs 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-2026-02721RLUA-2026-08569

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks m8402v4rgs-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

m8402v4rgs (RubyGems) malicious package — MAL-2026-8070 | O3 Security