CVE-2026-81530

Description

A weakness in the client-side encryption configuration surface of the MongoDB C# Driver causes sensitive key-management credential material supplied by the application to be reproduced verbatim in the driver-s human-readable diagnostic representation of its client settings, instead of being masked as other secret fields are. A party able to read the application-s logs, diagnostic output, or a process memory dump may thereby recover the plaintext credentials and use them to decrypt protected field data.