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Malicious package

sa6ed9cec3RubyGems

Advisory published Updated

sa6ed9cec3 is a confirmed malicious RubyGems package (MAL-2026-8564) 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 sa6ed9cec3 (RubyGems)

MAL-2026-8564
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall sa6ed9cec3

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

a0099c7e160929d852e5c9a7da679e453a8a5327b21a588c8a5b052717055adf
b3f7de52a945671f8dcff283b5b97324d63b0f07009ed7ff2c942e0403c37f6e

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for sa6ed9cec3 (version 0.0.1).

  2. If you installed it — respond

    Remove sa6ed9cec3 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 sa6ed9cec3 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. sa6ed9cec3 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-2026-03215RLUA-2026-09109

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks sa6ed9cec3-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

sa6ed9cec3 (RubyGems) malicious package — MAL-2026-8564 | O3 Security