Description
An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.
Published: 2026-08-11
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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Advisories

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History

Tue, 11 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
Description An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.
Title Type Confusion in MongoDB Query Subsystem Leads to Denial of Service
Weaknesses CWE-843
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, '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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-08-11T20:24:39.380Z

Reserved: 2026-08-03T15:53:39.501Z

Link: CVE-2026-18701

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T19:17:24.580

Modified: 2026-08-11T19:17:24.580

Link: CVE-2026-18701

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses