invalid-polyfill-boundary

GHSA-hv6g-xg63-3hvg

Malicious code in invalid-polyfill-boundary (npm)

Details

**Severity:** Critical

**Affected versions:** `= 99.0.9`

## Source: ossf-package-analysis (0fbf998b1c11f6a785806e2ab4f0bbbc4da9a95e803f643a497d41215484a11d)
The OpenSSF Package Analysis project identified 'invalid-polyfill-boundary' @ 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-boundary/MAL-2025-41300.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/invalid-polyfill-boundary/MAL-2025-41300.json
- https://github.com/advisories/GHSA-hv6g-xg63-3hvg

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.