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Malicious package

lambethssrfhackRubyGems

Advisory published Updated

lambethssrfhack is a confirmed malicious RubyGems package (MAL-2026-7796) that executes malicious code on install (malicious versions 0.0.1, 0.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in lambethssrfhack (RubyGems)

MAL-2026-7796
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lambethssrfhack

Malicious versions

2 flagged
0.0.10.0.2

Indicators of compromise (SHA-256)

57a160119eb8d5235ad563ddcee887f197a6d8f1a277302acabc7dd5d0f9d3eb
c52d533ee297687382d84ef99bd273894529d9ac5939966713a1b7b3ae32dd28

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for lambethssrfhack (2 malicious versions).

  2. If you installed it — respond

    Remove lambethssrfhack 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 lambethssrfhack 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. lambethssrfhack on RubyGems has been identified as a malicious package (versions 0.0.1, 0.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02454RLUA-2026-08269

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lambethssrfhack-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

lambethssrfhack (RubyGems) malicious package — MAL-2026-7796 | O3 Security