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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mongodb | — | Upgrade to the latest version of MongoDBUpgrade MongoDB to version 8.0.28 | Aug 19, 2026 | Jul 22, 2026 |
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