MAL-2025-48777

Dashboard / Malicious Package / MAL-2025-48777

MAL-2025-48777

Summary: Malicious code in polyfill-corejs3 (npm)

Details: Source: ghsa-malware (f30a9982ee60b989a218dd73482f8e0d5072af0ab17558731b9023ce937e7dd1) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it. Source: google-open-source-security (44a1f983303113714e0d9f44449f37c3e2ab4f3997ffaf3485d4b6dc7027519d) This package installs a dependency hosted on a custom domain that runs an info stealer during installation. The info stealer focuses on stealing npm, git, and other CI/CD related tokens.

References: https://github.com/advisories/GHSA-fph6-9gjv-7rxm, https://www.koi.ai/blog/phantomraven-npm-malware-hidden-in-invisible-dependencies