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Malicious package

wprwn4accxyzRubyGems

Advisory published Updated

wprwn4accxyz is a confirmed malicious RubyGems package (MAL-2026-9475) 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 wprwn4accxyz (RubyGems)

MAL-2026-9475
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wprwn4accxyz

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

6fc9cd4b25fb29963df04d0b116521a7afd88ba90bb666da65c1d6c5c81352d0
9237a8a302cb537025d9bbdc4692ddcad831d49d7a3d5b3579255c85a9de5c39

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wprwn4accxyz (version 0.0.1).

  2. If you installed it — respond

    Remove wprwn4accxyz 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 wprwn4accxyz 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. wprwn4accxyz 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-2026-04126RLUA-2026-10058

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wprwn4accxyz-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

wprwn4accxyz (RubyGems) malicious package — MAL-2026-9475 | O3 Security