{"id":"CVE-2026-120821","published":"2026-11-10T21:19:01.090","lastModified":"2026-11-10T22:08:59.707","description":"A use-after-free in the aggregation framework of MongoDB Server can occur when certain expressions are evaluated in an aggregation sub-pipeline. The condition can be caused by an authenticated user with read privileges, and may result in the server terminating unexpectedly.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-416"],"vendors":[],"products":[],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-136285","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}