CVE-2026-114650: Plaintext exposure of encrypted fields via ANSI code-page corruption of database name
MongoDB · C# Driver
Vendor fix available · Affected: MongoDB C# Driver · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 1% of scored CVEs
DescriptionCVE.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.
Affected products2
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- MongoDB · C# Driverfrom 2.10.0 before 3.13.0
- MongoDB · MongoDB.Libmongocrypt NuGet packagefrom 1.0.0 up to and including 1.12.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- MongoDB
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-114650 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.