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Malicious package

lf295q12RubyGems

Advisory published Updated

lf295q12 is a confirmed malicious RubyGems package (MAL-2026-8001) that executes malicious code on install (malicious version 0.0.535352). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in lf295q12 (RubyGems)

MAL-2026-8001
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lf295q12

Malicious versions

1 flagged
0.0.535352

Indicators of compromise (SHA-256)

acb66d20cec8fde84522b30ae1871a5af29e06fac960f0bea69db05900e95bdb
a9edf86950fcdb7b9b46af5055f7afca50b1d20aba80713e71758c72bfbfa405

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for lf295q12 (version 0.0.535352).

  2. If you installed it — respond

    Remove lf295q12 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 lf295q12 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. lf295q12 on RubyGems has been identified as a malicious package (version 0.0.535352 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02652RLUA-2026-08469

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lf295q12-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

lf295q12 (RubyGems) malicious package — MAL-2026-8001 | O3 Security