CVE-2026-18697
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Aug 11, 2026
Vendor
unknown
Description
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.