CVE-2026-84970 | MongoDB C++ Driver up to 4.5.1 JSON Parsing numeric truncation error

September 3, 2026 Yanac

A vulnerability classified as very critical has been found in MongoDB C++ Driver up to 4.5.1. Affected by this vulnerability is an unknown functionality of the component JSON Parsing. The manipulation leads to numeric truncation error.

This vulnerability is listed as CVE-2026-84970. The attack must be carried out locally. There is no available exploit.

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