CVE Feed

    Dashboard / CVE / CVE-2026-18697

    CVE-2026-18697

    An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.

    Published:Aug 11, 2026
    Last Modified:Aug 12, 2026
    EPS:Aug 11, 2026
    EPSS Score:0.00324
    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

    CVE-2026-82076 (CVSS 7.1) — An integer overflow in the query planning component of MongoDB Server can allow an authenticated user with ord…
    CVE-2026-82075 (CVSS 8.7) — An uncontrolled resource consumption weakness exists in the request-handling path of the MongoDB sharded-clust…
    CVE-2026-82074 (CVSS 7.1) — MongoDB Server contains an incorrect authorization vulnerability in the aggregation framework. An authenticate…
    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…
    CVE-2026-82066 (CVSS 5.3) — A heap out-of-bounds read security issue exists in the query planning component of MongoDB Server. An authenti…

    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