CVE-2026-19002 Crafted database metadata may cause memory corruption in MongoDB BI Connector ODBC Driver

High 8.8 Published 12 Aug 2026 Updated 13 Aug 2026

A missing bounds check in the MongoDB BI Connector ODBC Driver allows attackers controlling the server to trigger memory corruption, potentially leading to code execution or crashes.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-19002?

CVE-2026-19002 is a high-severity memory corruption vulnerability in MongoDB BI Connector ODBC Driver, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Driver can result in an out-of-bounds write in the client application process. Triggering this issue requires control over the server the driver connects to, or the ability to respond in its place, in order to return malformed metadata. The resulting memory corruption may cause the client application to terminate abnormally or, under certain conditions, execute unintended code.

Weakness: CWE-120

Which versions are affected by CVE-2026-19002?

It affects 1 product.

Products include Mongodb Bi Connector Odbc Driver.

How do I fix CVE-2026-19002?

No fix has been published for CVE-2026-19002 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-19002 being exploited?

There is no known exploitation of CVE-2026-19002 in the wild and no public exploit code.

Sources

Also known as GHSA-g4wv-p89v-7p3f.