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Malicious package

chmid8340x619659RubyGems

Advisory published Updated

chmid8340x619659 is a confirmed malicious RubyGems package (MAL-2026-7593) 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 chmid8340x619659 (RubyGems)

MAL-2026-7593
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall chmid8340x619659

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

e2457db5246881ee42f8009f26eb96b821c460bfba7d3efbf544be69c37f9843

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for chmid8340x619659 (version 0.0.1).

  2. If you installed it — respond

    Remove chmid8340x619659 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 chmid8340x619659 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. chmid8340x619659 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-2026-02244

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks chmid8340x619659-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

chmid8340x619659 (RubyGems) malicious package — MAL-2026-7593 | O3 Security