CVE-2026-84966 | MongoDB C++ Driver up to 4.5.1 BSON Document Building type conversion

September 3, 2026 Yanac

A vulnerability marked as problematic has been reported in MongoDB C++ Driver up to 4.5.1. Affected by this issue is some unknown functionality of the component BSON Document Building. The manipulation leads to incorrect type conversion.

This vulnerability is referenced as CVE-2026-84966. The attack can only be performed from a local environment. No exploit is available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More