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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://jira.mongodb.org/browse/SERVER-128512 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · mongodbNVD modified 2026-10-24 13:10
Affected (CPE criteria) 1
cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
References 1
- https://jira.mongodb.org/browse/SERVER-128512 Vendor Advisory