OpenSSF/OSV advisory MAL-2026-3314 confirms this npm version as malicious. The package update-browserslist was found to contain malicious code.
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in update-browserslist (npm)
Details
The package update-browserslist was found to contain malicious code.
## Source: ossf-package-analysis (e29d806736ad7afce9367b004ad5ab1dbbde834ae2d51ae79b26d1f27f91ff7f) The OpenSSF Package Analysis project identified 'update-browserslist' @ 99.1.1 (npm) as malicious.
It is considered malicious because:
- The package communicates with a domain associated with malicious activity.
Decision reason
OpenSSF Malicious Packages via OSV confirms update-browserslist@99.1.1 as malicious (MAL-2026-3314): Malicious code in update-browserslist (npm)