CVE-2026-18692
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Aug 11, 2026
Vendor
unknown
Description
An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.