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Malicious package

sa62b50d0bRubyGems

Advisory published Updated

sa62b50d0b is a confirmed malicious RubyGems package (MAL-2026-8562) 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 sa62b50d0b (RubyGems)

MAL-2026-8562
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall sa62b50d0b

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

26a95f16e2014efeab79e04dc9adf4542be5aaa05a24faa656cacb71168f3703
1aa84dd14ae5b6a6891b8c6f7fbf45331f69287faf5d18e686eb958bfad709e8

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for sa62b50d0b (version 0.0.1).

  2. If you installed it — respond

    Remove sa62b50d0b 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 sa62b50d0b 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. sa62b50d0b 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-2026-03213RLUA-2026-09107

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks sa62b50d0b-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

sa62b50d0b (RubyGems) malicious package — MAL-2026-8562 | O3 Security