npm · Malicious package advisory
Malwareinvalid-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. --- 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.