CVE-2026-84971

CVE-2026-84971 affects MongoDB's client-side encryption library (mongocrypt) . The root cause is improper handling of an undersized FLE2 insert-update ciphertext in the decryption path, which triggers a failed internal check that terminates the process using the library, causing a persistent clie...

BIT-MONGODB-2026-13069 Queryable Encryption FLE2 Find Payload Missing Input Validation Leading to Resource Exhaustion

An authenticated user can cause excessive CPU consumption or out-of-memory conditions on a MongoDB server by sending a crafted Queryable Encryption find payload containing an unvalidated field used to control an internal computation loop. The resulting resource exhaustion degrades availability fo...