CVE-2026-18695

Medium

Description

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMongodb
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • mongodb mongodb7.0.40, 8.0.29, 8.3.8 or later

Affected products

ProductAffected versionsFixed in
mongodb mongodb7.0.0 ≤ v < 7.0.40, 8.0.0 ≤ v < 8.0.29, 8.2.0 ≤ v ≤ 8.2.12, 8.3.0 ≤ v < 8.3.8, 9.0.0, 9.1.07.0.40, 8.0.29, 8.3.8

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.