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Malicious package

lbmtq1xRubyGems

Advisory published Updated

lbmtq1x is a confirmed malicious RubyGems package (MAL-2026-7931) 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 lbmtq1x (RubyGems)

MAL-2026-7931
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lbmtq1x

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

5040ab493a4b9eb833800153da40122d95094aeb5cf21ba4bf548cc1a0cb9fb6
7483662360e5d8e5cea6150adc53523106613b8efb8da7d2b09b6132dad6da01

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for lbmtq1x (version 0.0.1).

  2. If you installed it — respond

    Remove lbmtq1x 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 lbmtq1x 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. lbmtq1x 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-2026-02582RLUA-2026-08399

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lbmtq1x-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

lbmtq1x (RubyGems) malicious package — MAL-2026-7931 | O3 Security