high7.5
CVE-2026-18697
An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitt…
Impact
An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mongodb | Mongodb | from 7.0.0 before 7.0.40 from 8.0.0 before 8.0.29 from 8.2.0 through 8.2.12 from 8.3.0 before 8.3.8 Versions 9.0.0, 9.1.0 |