CVE-2026-81532
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mongodb Bi Connector Odbc Driver
PublishedAug 28, 2026
First seenAug 28, 2026
Weakness typeCWE-121CWE-121
How to fix
Update
- mongodb bi_connector_odbc_driver1.4.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb bi_connector_odbc_driver | v < 1.4.10 | 1.4.10 |
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