Vulnerability in MongoDB

CVE-2026-13073

An authenticated user with read-only privileges can cause the mongod process to terminate abnormally by issuing a crafted aggregation command, resulting in denial of service for all connected clients until the process is restarted. The issue stems from an internal engine selection inconsistency triggered by a specific combination of aggregation options.

EPSS: 0.002 (12.1th percentile) — read the EPSS interpretation.