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.

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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 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.
Title Improper Input Validation in MongoDB Query Planner Leads to Denial of Service
Weaknesses CWE-476
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': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-08-11T20:18:01.281Z

Reserved: 2026-08-03T15:53:36.628Z

Link: CVE-2026-18699

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-08-11T19:17:24.270

Modified: 2026-08-11T19:17:24.270

Link: CVE-2026-18699

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses