CVE-2026-23957

seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, overriding encoded array lengths by replacing them with an excessively large value causes the deserialization process to significantly increase processing time. This issue has been fixed in version 1.4.1.

Score
CVSS 3.1 7.5 High
Status
Analyzed - security-advisories@github.com
Published
2026-01-22
Last modified
2026-01-22
Weaknesses
CWE-770

Affected products

References