CVE-2026-18707

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service.

Score

CVSS 4.0 5.3 Medium

Status

Analyzed - cna@mongodb.com

Published

2026-08-11

Last modified

2026-08-11

Weaknesses

CWE-617

Affected products

• Mongodb (Mongodb)
• Mongodb Server (Mongodb)

References

• https://jira.mongodb.org/browse/SERVER-128482