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Medium · 6.5 CVE-2026-93763 EUVD-2026-83199GHSA-5qw9-p5cj-5jx4

Silent plaintext persistence via unresolved callable database name in encryption schema map

Published Sep 18, 2026 · Updated Sep 21, 2026 · Assigned by mongodb

Description

A protection mechanism failure in the object-document mapper's encryption configuration generation can cause fields that an application declared for client-side field-level encryption to be written and kept in cleartext, without any error or warning. A party holding ordinary read access to the database can then read values that were intended to be protected from that party. This may result in unintended disclosure of sensitive information.

Affected products

VendorProductAffectedFixed
MongoDB Mongoid 9.1.0, 9.0.0 – ≤ 9.0.11 —

References