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Malicious package

sbc55dd196RubyGems

Advisory published Updated

sbc55dd196 is a confirmed malicious RubyGems package (MAL-2026-8583) 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 sbc55dd196 (RubyGems)

MAL-2026-8583
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall sbc55dd196

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

356b3dbf0a518420c26b4a221b877709332727ac9506a088fa7008baa49b6435
5df21c4cadea345cb47b4e70aa86db066e4da0c317ff70024408d8de365790a0

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for sbc55dd196 (version 0.0.1).

  2. If you installed it — respond

    Remove sbc55dd196 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 sbc55dd196 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. sbc55dd196 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-2026-03234RLUA-2026-09128

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks sbc55dd196-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

sbc55dd196 (RubyGems) malicious package — MAL-2026-8583 | O3 Security