Concatenating unsanitized user input in the `whereis` npm module < 0.4.1 allowed an attacker to execute arbitrary commands. The `whereis` module is deprecated and it is recommended to use the `which` npm module instead.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)