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Malicious package

swa8320fossRubyGems

Advisory published Updated

swa8320foss is a confirmed malicious RubyGems package (MAL-2026-8908) 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 swa8320foss (RubyGems)

MAL-2026-8908
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall swa8320foss

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

fe239830ab96b48d267c35497a7c5c002a45a7e9aca38ace8b66a270aa91c7ac
ec2b5d7dfe0e00920a40cebd8748f32ddab615245ef168e93c0a51aad4e54b1c

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for swa8320foss (version 0.0.1).

  2. If you installed it — respond

    Remove swa8320foss 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 swa8320foss 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. swa8320foss 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-2026-03559RLUA-2026-09472

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks swa8320foss-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

swa8320foss (RubyGems) malicious package — MAL-2026-8908 | O3 Security