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    CVE-2026-81532

    A user able to submit SQL through an application using the MongoDB Connector for BI ODBC driver can supply a positioned-cursor statement whose cursor name exceeds the size of an internal fixed-length buffer. Because the name length is not bounded before the driver builds its diagnostic message, memory adjacent to that buffer is overwritten with user-supplied content. This can terminate the hosting application process and may allow unintended code to run within it.

    Published:Aug 28, 2026
    Last Modified:Aug 31, 2026
    EPS:Aug 28, 2026
    EPSS Score:0.00282
    CVSS Score:8.8

    Affected Products

    Vendor
    Mongodb
    Product
    Bi Connector Odbc Driver

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-81533 (CVSS 6) — An application using the MongoDB BI Connector ODBC Driver may encounter a memory-safety issue when a submitted…
    CVE-2026-19003 (CVSS 8.4) — A data source definition containing an over-length file path setting may cause the MongoDB BI Connector ODBC D…
    CVE-2026-19004 (CVSS 8.8) — An application using the MongoDB BI Connector ODBC Driver may experience a memory-safety issue when processing…
    CVE-2026-18888 (CVSS 7.1) — The MongoDB BI Connector ODBC Driver converts floating point column values into text without checking that the…
    CVE-2026-19001 (CVSS 9.5) — The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application s…
    CVE-2026-19002 (CVSS 8.8) — A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Drive…

    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