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npm · Malicious package advisory

Malware

acyclovir

GHSA-mffg-3qfj-rjhg

Malicious code in acyclovir (npm)

Details

**Severity:** Critical

**Affected versions:** `> 0`

The package acyclovir 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/5d4b3da3177e0aef279e52c6f96e99e7cc135d05/osv/malicious/npm/acyclovir/MAL-2025-14063.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/5d4b3da3177e0aef279e52c6f96e99e7cc135d05/osv/malicious/npm/acyclovir/MAL-2025-14063.json
- https://github.com/advisories/GHSA-mffg-3qfj-rjhg

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.