CVE-2026-106434 [MEDIUM] – The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encr

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.