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Malicious package

metatestabcxyzRubyGems

Advisory published Updated

metatestabcxyz is a confirmed malicious RubyGems package (MAL-2026-8088) 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 metatestabcxyz (RubyGems)

MAL-2026-8088
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall metatestabcxyz

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

bbe4de73a302be50d32a8908f6a662a0857e7802015c88556751db46c38420fd
aaa9b1819fe837ea183f7d088f5f4a5d52bfbafaeb5e658b208207a840581d9e

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove metatestabcxyz 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 metatestabcxyz 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. metatestabcxyz 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-2026-02739RLUA-2026-08592

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks metatestabcxyz-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

metatestabcxyz (RubyGems) malicious package — MAL-2026-8088 | O3 Security