CVE-2021-23396

9.8 criticalEPSS 1.0%

Critical (9.8) in lutils project lutils. EPSS 1.0% chance of exploitation in the next 30 days.

All versions of package lutils are vulnerable to Prototype Pollution via the main (merge) function.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-1321
Published: 2021-06-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-3r8w-mphv-2f3f	npm	lutils	<=2.4.0	no fix published