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    Dashboard / CVE / CVE-2026-84963

    CVE-2026-84963

    An incorrect numeric conversion in the JSON parsing component of the MongoDB C Driver's BSON library may cause an unusually large text value to be silently shortened, or the corresponding field to be omitted, while the parsing operation still reports success and returns no error. An unauthenticated party who can supply the input processed by an application that uses this component may cause that application to hold data that does not match what was submitted, which may result in unintended alteration of data.

    Published:Sep 3, 2026
    Last Modified:Sep 3, 2026
    EPS:Sep 3, 2026
    EPSS Score:
    CVSS Score:5.3

    Affected Products

    Vendor
    Mongodb
    Product
    C Driver

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-81524 (CVSS 5.3) — A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name com…
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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