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Malicious package

wyc695eae5RubyGems

Advisory published Updated

wyc695eae5 is a confirmed malicious RubyGems package (MAL-2026-9514) 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 wyc695eae5 (RubyGems)

MAL-2026-9514
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wyc695eae5

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

22690fd6a5a1a84c7e67bdd5fb722c7e8e1049d9f8da8b1ca4fc9288453de758
ef83afcefb5f8a427d694087f2ddd57de3a627aa3e612460ff79244e62fcd543

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wyc695eae5 (version 0.0.1).

  2. If you installed it — respond

    Remove wyc695eae5 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 wyc695eae5 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. wyc695eae5 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-2026-04165RLUA-2026-10098

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wyc695eae5-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

wyc695eae5 (RubyGems) malicious package — MAL-2026-9514 | O3 Security