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Malicious package

proxymeta646423RubyGems

Advisory published Updated

proxymeta646423 is a confirmed malicious RubyGems package (MAL-2026-8435) 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 proxymeta646423 (RubyGems)

MAL-2026-8435
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall proxymeta646423

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

b7eb79f2afa7816556d5fecd96ff364dd2b1985caee7e64850b5a92083239193
357c95aaca79facfcbb3982db7962fc7b2243c5b3ecf7042e86bb2ea3bc42b68

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for proxymeta646423 (version 0.0.1).

  2. If you installed it — respond

    Remove proxymeta646423 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 proxymeta646423 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. proxymeta646423 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-2026-03086RLUA-2026-08961

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks proxymeta646423-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

proxymeta646423 (RubyGems) malicious package — MAL-2026-8435 | O3 Security