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Malicious package

zwpdfg10266RubyGems

Advisory published Updated

zwpdfg10266 is a confirmed malicious RubyGems package (MAL-2026-9893) 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 zwpdfg10266 (RubyGems)

MAL-2026-9893
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zwpdfg10266

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

6fdf70e8921236cbb6c4466ebbb768a94887f0085dd78f6cc53009ba6c750565
039b788d5684551442f01bd674a75e23661ad537df652cffdb5075e73f5a8870

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zwpdfg10266 (version 0.0.1).

  2. If you installed it — respond

    Remove zwpdfg10266 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 zwpdfg10266 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. zwpdfg10266 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-2026-04544RLUA-2026-10482

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zwpdfg10266-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

zwpdfg10266 (RubyGems) malicious package — MAL-2026-9893 | O3 Security