CVE-2026-106434
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Oct 08, 2026
Vendor
unknown
Description
The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encrypted payload unchanged instead of returning a decryption error. An actor who can modify stored encrypted fields, such as a database writer, server, or network intermediary, can cause an affected application to process the supplied bytes as decrypted plaintext.