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Malicious package

swlicrep8aRubyGems

Advisory published Updated

swlicrep8a is a confirmed malicious RubyGems package (MAL-2026-8943) 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 swlicrep8a (RubyGems)

MAL-2026-8943
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall swlicrep8a

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

045b077bcda00d2bf8679c49a45b27e12280cb2ed0e1f2d56d2261df926eb984
5a806f2a03c59f748b1ede89cddbfd761a970d49271095b1ecce5632c5d6b56b

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for swlicrep8a (version 0.0.1).

  2. If you installed it — respond

    Remove swlicrep8a 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 swlicrep8a 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. swlicrep8a 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-2026-03594RLUA-2026-09507

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks swlicrep8a-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

swlicrep8a (RubyGems) malicious package — MAL-2026-8943 | O3 Security