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Malicious package

zpx52534sgRubyGems

Advisory published Updated

zpx52534sg is a confirmed malicious RubyGems package (MAL-2026-9686) 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 zpx52534sg (RubyGems)

MAL-2026-9686
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zpx52534sg

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

dea391c283b4be66896e984afbafa80ab9546e5745b73258a786f78e82cbfed2
356b18a626c3dd0267dc2a33af99229a9afec0fd5cca364dc11a3dbd76d97c1a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zpx52534sg (version 0.0.1).

  2. If you installed it — respond

    Remove zpx52534sg 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 zpx52534sg 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. zpx52534sg 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-2026-04337RLUA-2026-10275

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zpx52534sg-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

zpx52534sg (RubyGems) malicious package — MAL-2026-9686 | O3 Security