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Malicious package

lambsvnproxyoaiRubyGems

Advisory published Updated

lambsvnproxyoai is a confirmed malicious RubyGems package (MAL-2026-7843) 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 lambsvnproxyoai (RubyGems)

MAL-2026-7843
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lambsvnproxyoai

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

fc9daae1f0dd637c765d42406ecfbe79b6df2e72f59540a35b105574e8084d1e
8482728c0dd83db7048de1d9b57d75b99243e835c7f726ed66b945dc916e4ae0

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove lambsvnproxyoai 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 lambsvnproxyoai 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. lambsvnproxyoai 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-2026-02494RLUA-2026-08309

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lambsvnproxyoai-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

lambsvnproxyoai (RubyGems) malicious package — MAL-2026-7843 | O3 Security