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npm · Malicious package advisory

Malware

cello-auto-register

GHSA-6g6f-9988-68xm

Malicious code in cello-auto-register (npm)

Details

**Severity:** Critical

**Affected versions:** `> 0`

The package cello-auto-register was found to contain malicious code.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/4012598c9b06e58935bd8883f7a0cd37c3130664/osv/malicious/npm/cello-auto-register/MAL-2025-16709.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/4012598c9b06e58935bd8883f7a0cd37c3130664/osv/malicious/npm/cello-auto-register/MAL-2025-16709.json
- https://github.com/advisories/GHSA-6g6f-9988-68xm

Compromised versions (1)

  • > 0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.