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Malicious package

wandshack3RubyGems

Advisory published Updated

wandshack3 is a confirmed malicious RubyGems package (MAL-2026-9276) 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 wandshack3 (RubyGems)

MAL-2026-9276
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wandshack3

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

34a674578bb5ab9440ec3abff89e4b914834258389a8ffdc711b71c07e368f13
41c824eac43ed97959299e435aaae2281d6324403430427d9c3713f119e2e4e0

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wandshack3 (version 0.0.1).

  2. If you installed it — respond

    Remove wandshack3 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 wandshack3 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. wandshack3 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-2026-03927RLUA-2026-09857

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wandshack3-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

wandshack3 (RubyGems) malicious package — MAL-2026-9276 | O3 Security