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Malicious package

oasis-os-provider-messagingnpm

Malicious code in oasis-os-provider-messaging (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-481
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall oasis-os-provider-messaging

What this malware does

The package oasis-os-provider-messaging was found to contain malicious code.

Malicious versions

3 flagged
1.0.08.9.28.9.3

Indicators of compromise (SHA-256)

cca1eb9a5a42a34b2db68e6d23c9c2cd2cbe7098f742e647c9c6867b342e95ab
16182fb86e367d4c76c0172af8b17f9c2819ecf91ef7ddef9a1971e358d7fa09

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for oasis-os-provider-messaging (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging oasis-os-provider-messaging across your stack and pipelines.

  2. If you installed it — respond

    Remove oasis-os-provider-messaging 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 oasis-os-provider-messaging was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks oasis-os-provider-messaging before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. oasis-os-provider-messaging on npm has been identified as a malicious package (versions 1.0.0, 8.9.2, 8.9.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01468

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks oasis-os-provider-messaging-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.

oasis-os-provider-messaging (npm) malicious package — MAL-2026-481 | O3 Security