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Malicious package

wandczvof10svnRubyGems

Advisory published Updated

wandczvof10svn is a confirmed malicious RubyGems package (MAL-2026-9158) 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 wandczvof10svn (RubyGems)

MAL-2026-9158
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wandczvof10svn

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

a1fc4c9d844b0626d065e1bafa58fa9570355f71ca43091571a60caae02ae26e
536053e2b070356677eb266073e11869fe2e16c6c8faa0ff94063d7716549447

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wandczvof10svn (version 0.0.1).

  2. If you installed it — respond

    Remove wandczvof10svn 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 wandczvof10svn 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. wandczvof10svn 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-2026-03809RLUA-2026-09739

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wandczvof10svn-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

wandczvof10svn (RubyGems) malicious package — MAL-2026-9158 | O3 Security