CVE-2026-18695

High

Open

TLP:CLEAR

Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

NVD CVE.org

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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.

Details

CVSS Score: 7.1
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 11, 2026

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