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Malicious package

tmpgemtestwands12345abcRubyGems

Advisory published Updated

tmpgemtestwands12345abc is a confirmed malicious RubyGems package (MAL-2026-8998) 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 tmpgemtestwands12345abc (RubyGems)

MAL-2026-8998
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall tmpgemtestwands12345abc

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

7afb66f23ae98586774b42fcd14aeddb12fe7dbacdb793ee9707c8985fba6397
ab1ef5f429ec15ce824b8890bbef9bf5bd18810c26b2e48e74bb6aeabd32cc9a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for tmpgemtestwands12345abc (version 0.0.1).

  2. If you installed it — respond

    Remove tmpgemtestwands12345abc 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 tmpgemtestwands12345abc 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. tmpgemtestwands12345abc 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-2026-03649RLUA-2026-09573

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks tmpgemtestwands12345abc-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

tmpgemtestwands12345abc (RubyGems) malicious package — MAL-2026-8998 | O3 Security