CVE-2026-82060

CVE-2026-82060 is an insufficient validation flaw in MongoDB Server affecting sharded collections. During document insertion, shard key values were not properly validated, allowing authenticated users to store operator-shaped objects as shard key values. When change stream events for such documen...

CVE-2026-82060 Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Injection in Change Stream Post-Image Lookups

In MongoDB, insufficient validation of shard key values during document insertion allowed authenticated users to store documents with specially crafted, operator-shaped objects as shard key values in sharded collections. When change stream events for such documents were processed with the...