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    CVE-2026-82064

    A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member. The server contains an assertion in its read concern processing logic that can be reached without authentication, and the assertion's assumptions about internal state do not hold for all member configurations, causing the server process to terminate.

    Published:Sep 8, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 8, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Mongodb
    Product
    Mongodb Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-82073 (CVSS 7.1) — A security issue in the MongoDB Server aggregation framework allows an authenticated user with limited read pr…
    CVE-2026-82071 (CVSS 7.2) — Insufficient validation of storage engine configuration options in MongoDB Server allows an authenticated user…
    CVE-2026-82070 (CVSS 7.1) — A security issue in MongoDB Server's diagnostic reporting interface allows an authenticated user with monitori…
    CVE-2026-82069 (CVSS 5.1) — A security issue in MongoDB Server's query statistics serialization on the router allows users with monitoring…
    CVE-2026-82068 (CVSS 7.1) — A security issue in MongoDB Server allows an authenticated user with write privileges to trigger a persistent …
    CVE-2026-82067 (CVSS 9.2) — Improper handling of case sensitivity in the configuration validation component of MongoDB Server may cause th…
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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
    CVE-2026-82064 — Mongodb (High 8.7) | CVE-DB