Which versions of swa8405foss are malicious?

The following RubyGems versions of swa8405foss are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate swa8405foss if I installed it?

Remove swa8405foss 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.

I already installed swa8405foss — how do I know if it already compromised me?

If swa8405foss 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.

Is swa8405foss part of a known attack campaign?

Yes — swa8405foss is associated with the RLMA-2026-03562, RLUA-2026-09475 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find swa8405foss across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for swa8405foss (version 0.0.1).

Malicious package

swa8405fossRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

swa8405foss is a confirmed malicious RubyGems package (MAL-2026-8911) 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 swa8405foss (RubyGems)

MAL-2026-8911

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall swa8405foss

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

608ac6139706fb580664200f2c52bdffdb0569d70d381a16cbd85339b39028e1

bb13962b64c8be098d79b13a1adb764bbce0b018ce6410abd217f45d4b98a86a

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for swa8405foss (version 0.0.1).
If you installed it — respond
Remove swa8405foss 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.
Did it already run?
If swa8405foss 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. swa8405foss 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-2026-03562RLUA-2026-09475

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks swa8405foss-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.

Malware detection Runtime egress monitoring

Explore

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