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CVE-2026-114650

6.9 medium Awaiting Analysis
NVD · CVE.org

A flaw in the client-side encryption support of the MongoDB .NET/C# driver can cause data designated for client-side field-level encryption to be written without encryption. Under certain platform text-encoding configurations, an internal name conversion loses information, so the encryption layer fails to associate the operation with its configured encryption rules and the operation proceeds without an error being raised. An application user with the ability to write data through an affected application can therefore have sensitive fields persisted in plaintext, defeating the confidentiality guarantee that client-side encryption is intended to provide. No integrity or availability impact was observed.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-23 19:45
  2. StatusReceived → PublishedNVD modified 2026-10-22 21:38
  3. References+1 references (now 3)NVD modified 2026-10-22 22:18
  4. StatusPublished → ReceivedNVD modified 2026-10-22 22:18
  5. StatusReceived → PublishedNVD modified 2026-10-22 19:13
  6. First seenCVSS 6.9NVD modified 2026-10-22 19:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3