CVE-2026-23736

Published January 21st, 2026

View on NVD ↗

CVSS v3

7.3

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1.

lxsmnsyc/seroval

Stringify JS values

GitHub

714