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    CVE-2026-93763

    A protection mechanism failure in the object-document mapper's encryption configuration generation can cause fields that an application declared for client-side field-level encryption to be written and kept in cleartext, without any error or warning. A party holding ordinary read access to the database can then read values that were intended to be protected from that party. This may result in unintended disclosure of sensitive information.

    Published:Sep 18, 2026
    Last Modified:Sep 24, 2026
    EPS:Sep 18, 2026
    EPSS Score:0.00152
    CVSS Score:6.5

    Affected Products

    Vendor
    Mongodb
    Product
    Mongoid

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-37 Retrieve Embedded Sensitive Data

    Related CVEs

    CVE-2026-93759 (CVSS 8.8) — Mongoid does not neutralize a string-typed query criterion supplied to its query builder, and instead passes i…
    CVE-2026-93760 (CVSS 8.3) — Mongoid does not restrict which query operators may come from caller-supplied filter data when an application …
    CVE-2026-93761 (CVSS 8.7) — An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid …
    CVE-2026-93762 (CVSS 9.2) — Mongoid contains an unsafe reflection weakness in the query path used for embedded documents. An application t…
    CVE-2026-93764 (CVSS 7.1) — Mongoid may omit encryption rules for fields declared on embedded models when generating the client-side field…
    CVE-2026-93765 (CVSS 8.3) — Mongoid contains an unsafe reflection weakness in the document persistence layer of its object-document mappin…
    CVE-2026-93758 (CVSS 8.6) — An insecure direct object reference in the nested attributes handling of the Mongoid object-document mapper ma…

    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