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Malicious package

wp941RubyGems

Advisory published Updated

wp941 is a confirmed malicious RubyGems package (MAL-2026-9432) 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 wp941 (RubyGems)

MAL-2026-9432
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wp941

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

9cf49d6a4f905809f9145fc3a3b6b297457b8e5a6cde765905c0eeb172007aba
b0ce9e3ea3e3d68fad02cf8073ad6401b1ee961aae9267c2952015063c7d9968

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wp941 (version 0.0.1).

  2. If you installed it — respond

    Remove wp941 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 wp941 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. wp941 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-2026-04083RLUA-2026-10015

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wp941-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

wp941 (RubyGems) malicious package — MAL-2026-9432 | O3 Security