EUVD-2026-47788

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...

PT-2026-63469

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort...

UBUNTU-CVE-2026-8063

An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view. When resolving a view, the server inspects the aggregation pipeline to determine whether it begins with an Atlas Search stage. For $rankFusion and $scoreFusion, this inspection reads...

The vulnerability of the backup function for momentary database snapshots in MongoDB Cloud Manager, MongoDB Ops Manager, MongoDB Atlas Legacy Backups, and the document-oriented database management system MongoDB allows a hacker to trigger a service failure.

The vulnerability of the backup function for instant snapshots of MongoDB Cloud Manager, MongoDB Ops Manager, MongoDB Atlas Legacy Backups, and document-oriented database management systems is related to improper handling of conflicting special elements. Exploiting this vulnerability can allow an...