Which versions of southwark-test-f8e1778549558 are malicious?

The following RubyGems versions of southwark-test-f8e1778549558 are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate southwark-test-f8e1778549558 if I installed it?

Remove southwark-test-f8e1778549558 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 southwark-test-f8e1778549558 — how do I know if it already compromised me?

If southwark-test-f8e1778549558 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 southwark-test-f8e1778549558 part of a known attack campaign?

Yes — southwark-test-f8e1778549558 is associated with the RLMA-2026-03499, RLUA-2026-09397 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 southwark-test-f8e1778549558 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for southwark-test-f8e1778549558 (version 0.0.1).

Malicious package

southwark-test-f8e1778549558RubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

southwark-test-f8e1778549558 is a confirmed malicious RubyGems package (MAL-2026-8848) 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 southwark-test-f8e1778549558 (RubyGems)

MAL-2026-8848

Immediate action

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

gem uninstall southwark-test-f8e1778549558

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

deca6d833f64587b5222f1ddea2e4f8365c7841135478e2661cf7770d7b37baf

6d188c51609b707ffc0ad6dc1203acd54e590fa27e1b9bdf85a5b807c1ffa715

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for southwark-test-f8e1778549558 (version 0.0.1).
If you installed it — respond
Remove southwark-test-f8e1778549558 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 southwark-test-f8e1778549558 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. southwark-test-f8e1778549558 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-2026-03499RLUA-2026-09397

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks southwark-test-f8e1778549558-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

All malware advisories How O3 detects malware Vulnerability database