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Malicious package

slnaabcxyzRubyGems

Advisory published Updated

slnaabcxyz is a confirmed malicious RubyGems package (MAL-2026-8638) 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 slnaabcxyz (RubyGems)

MAL-2026-8638
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall slnaabcxyz

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

21215aaef9d8167fdc62858b1b93b8ff15848089b3f8d473ae47d807adb00508
ecdd86ee97579a402af28a7531d8a86325f8444753b375fb67d4d1fe7268f827

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove slnaabcxyz 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 slnaabcxyz 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. slnaabcxyz 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-2026-03289RLUA-2026-09187

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks slnaabcxyz-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

slnaabcxyz (RubyGems) malicious package — MAL-2026-8638 | O3 Security