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Malicious package

test-bugbounty-package-9npm

Advisory published Updated

test-bugbounty-package-9 is a confirmed malicious npm package (MAL-2026-1863) that executes malicious code on install (malicious version 99.99.99). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in test-bugbounty-package-9 (npm)

MAL-2026-1863
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall test-bugbounty-package-9

What this malware does

The package test-bugbounty-package-9 was found to contain malicious code.

Malicious versions

1 flagged
99.99.99

Indicators of compromise (SHA-256)

6e8b5c49cddc0f2c7826c51bc9047314ea83afc0f0c41aec4cdb541beacfe008
d1f7339bb0bc55d33f83cf6bc6b2aed69072dc0de2c1fb416de6d8b67816e858

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for test-bugbounty-package-9 (version 99.99.99).

  2. If you installed it — respond

    Remove test-bugbounty-package-9 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 test-bugbounty-package-9 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. test-bugbounty-package-9 on npm has been identified as a malicious package (version 99.99.99 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01614

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks test-bugbounty-package-9-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

test-bugbounty-package-9 (npm) malicious package — MAL-2026-1863 | O3 Security