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    CVE-2026-32944

    Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.21 and 8.6.45, an unauthenticated attacker can crash the Parse Server process by sending a single request with deeply nested query condition operators. This terminates the server and denies service to all connected clients. Starting in version 9.6.0-alpha.21 and 8.6.45, a depth limit for query condition operator nesting has been added via the `requestComplexity.queryDepth` server option. The option is disabled by default to avoid a breaking change. To mitigate, upgrade and set the option to a value appropriate for your app. No known workarounds are available.

    Published:Mar 18, 2026
    Last Modified:Mar 25, 2026
    EPS:Mar 18, 2026
    EPSS Score:0.00017
    CVSS Score:7.5

    Affected Products

    Vendor
    Parse Community
    Product
    Parse Server
    Vendor
    Parseplatform
    Product
    Parse-server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-674 Uncontrolled Recursion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

    Related CVEs

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    CVE-2026-64627 (CVSS 6.9) — Parse Server versions >= 9.0.0 before 9.10.0-alpha.4 and versions before 8.6.85 contain a schema disclosure vu…
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    CVE-2026-53726 (CVSS 6.9) — Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior …
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    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