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    CVE-2026-1847

    Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.

    Published:Feb 10, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 10, 2026
    EPSS Score:0.00054
    CVSS Score:6.5

    Affected Products

    Vendor
    Mongodb
    Product
    Mongodb

    Exploits

    No exploit reference

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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