CVE-2026-18699

MediumCVSS 6.5/10Last modified Oct 23, 2026

Description

An issue in MongoDB Server's query planner could allow an authenticated user with read-level privileges to cause the server process to terminate unexpectedly by submitting a specially formed query against a collection with a text index. This could result in a denial of service, affecting connected clients and in-flight operations.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Oct 23, 2026
NVD status
Analyzed

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CVE-2026-18699: Medium severity, CVSS 6.5 | Vulnix