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Malicious package

swlicap7aRubyGems

Advisory published Updated

swlicap7a is a confirmed malicious RubyGems package (MAL-2026-8939) 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 swlicap7a (RubyGems)

MAL-2026-8939
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall swlicap7a

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

527dcd59100349a7635cdf3807db047417096f13ace1abed19be49a6f45c40e6
d25c76378c617fc7deecafa14b552dfd8c7e0e6eb9d9edd3427ffd25f7745b2e

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for swlicap7a (version 0.0.1).

  2. If you installed it — respond

    Remove swlicap7a 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 swlicap7a 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. swlicap7a 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-2026-03590RLUA-2026-09503

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks swlicap7a-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

swlicap7a (RubyGems) malicious package — MAL-2026-8939 | O3 Security