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Malicious package

wwday2601abcxyzRubyGems

Advisory published Updated

wwday2601abcxyz is a confirmed malicious RubyGems package (MAL-2026-9496) 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 wwday2601abcxyz (RubyGems)

MAL-2026-9496
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wwday2601abcxyz

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

e06b11c99365049c379253ef949e835a5830005de93f5d17ef59c93383cc7963
d3935e25af6d244905202c99a9311cf64f681e424e926a2f82321c825374004d

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wwday2601abcxyz (version 0.0.1).

  2. If you installed it — respond

    Remove wwday2601abcxyz 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 wwday2601abcxyz 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. wwday2601abcxyz 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-2026-04147RLUA-2026-10080

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wwday2601abcxyz-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

wwday2601abcxyz (RubyGems) malicious package — MAL-2026-9496 | O3 Security