CVE-2026-81530

Summary

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.

Affected Software

Weaknesses

• CWE-532: CWE-532: Insertion of Sensitive Information into Log File

References

• https://jira.mongodb.org/browse/CSHARP-6164
• https://www.nuget.org/packages/MongoDB.Driver/3.11.1

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