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    CVE-2026-23736

    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.

    Published:Jan 21, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 21, 2026
    EPSS Score:0.00207
    CVSS Score:7.3

    Affected Products

    Vendor
    Lxsmnsyc
    Product
    Seroval

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High