Which versions of rxwws are malicious?

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

How do I remediate rxwws if I installed it?

Remove rxwws 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 rxwws — how do I know if it already compromised me?

If rxwws 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 rxwws part of a known attack campaign?

Yes — rxwws is associated with the RLMA-2026-03209, RLUA-2026-09103 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 rxwws across my projects, lockfiles, and CI pipelines?

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

Malicious package

rxwwsRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

rxwws is a confirmed malicious RubyGems package (MAL-2026-8558) 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 rxwws (RubyGems)

MAL-2026-8558

Immediate action

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

gem uninstall rxwws

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

5f75ade00905ecf45cf0c9b375429905d18d902e47b958370bf4a80723ffb28e

8749d38ab900d84b79d04a041ba7bc3a1ba31cda06a7a79eb265013fcf8f4212

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for rxwws (version 0.0.1).
If you installed it — respond
Remove rxwws 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 rxwws 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. rxwws 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-2026-03209RLUA-2026-09103

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks rxwws-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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