A vulnerability labeled as problematic has been found in MongoDB Server up to 7.0.34/8.0.23/8.2.9/8.3.2 . This affects an unknown function of the component Aggregation Handler . Executing a manipulation can lead to reachable assertion. The identification of this vulnerability is CVE-2026-9747 . The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.