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    CVE-2026-105856

    Payload is a free and open source headless content management system. Prior to 3.90.0 and 4.0.0-canary.34, an attacker with read and create or update access to a collection containing a json field or a blocks field with blocksAsJSON enabled can inject SQL through a crafted field path and operators. Collections without those fields are not affected, and richText fields are not affected. The SQLite packages are fixed in versions 3.90.0 and 4.0.0-canary.34, and the Postgres packages are fixed in version 3.73.0.

    Published:Oct 6, 2026
    Last Modified:Oct 15, 2026
    EPS:Oct 6, 2026
    EPSS Score:0.00269
    CVSS Score:8.3

    Affected Products

    Vendor
    Payloadcms
    Product
    Db-d1-sqlite
    Vendor
    Payloadcms
    Product
    Db-postgres
    Vendor
    Payloadcms
    Product
    Db-sqlite
    Vendor
    Payloadcms
    Product
    Db-vercel-postgres
    Vendor
    Payloadcms
    Product
    Payload

    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