VYPR

npm · Malicious package advisory

Malware

invalid-polyfill-missing

GHSA-96p9-33hr-rvx4

Malicious code in invalid-polyfill-missing (npm)

Details

**Severity:** Critical

**Affected versions:** `= 99.0.9`

## Source: ossf-package-analysis (295b859cd3be40684c8d7ebb9bc2a3ca4bb969aad8ff1d524948397a3724c444)
The OpenSSF Package Analysis project identified 'invalid-polyfill-missing' @ 99.0.9 (npm) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.

- The package executes one or more commands associated with malicious behavior.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/invalid-polyfill-missing/MAL-2025-41301.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/invalid-polyfill-missing/MAL-2025-41301.json
- https://github.com/advisories/GHSA-96p9-33hr-rvx4

Compromised versions (1)

  • = 99.0.9

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