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    CVE-2021-47952

    python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute arbitrary code.

    Published:May 16, 2026
    Last Modified:Jul 28, 2026
    EPS:May 16, 2026
    EPSS Score:0.00696
    CVSS Score:9.8

    Affected Products

    Vendor
    Jsonpickle Project
    Product
    Jsonpickle

    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