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Malicious package

wprwn4xyzRubyGems

Advisory published Updated

wprwn4xyz is a confirmed malicious RubyGems package (MAL-2026-9476) 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 wprwn4xyz (RubyGems)

MAL-2026-9476
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wprwn4xyz

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

f0c24b732684f076f433c050e3c8edf17a22faf422230c6ad69aac1972a060fa
989913918df687c5315096c8be12474af4ded46ff459afd9d5da2aa69cfb30da

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wprwn4xyz (version 0.0.1).

  2. If you installed it — respond

    Remove wprwn4xyz 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 wprwn4xyz 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. wprwn4xyz 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-2026-04127RLUA-2026-10059

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wprwn4xyz-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

wprwn4xyz (RubyGems) malicious package — MAL-2026-9476 | O3 Security