CVE-2026-23736

CVE-2026-23736 · seroval Affected by Prototype Pollution via JSON Deserialization

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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.

CVSS 7.3 · High · EPSS 0.3% · Fix available

Published

2026-01-21T23:01:10.114Z

Updated

2026-01-22T14:45:53.950Z

Stack: node

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