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.
Published: 2026-08-11
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Tue, 11 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
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.
Title Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service
Weaknesses CWE-617
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'}

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-08-11T18:35:46.153Z

Reserved: 2026-08-03T15:53:30.684Z

Link: CVE-2026-18695

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T19:17:23.717

Modified: 2026-08-11T19:17:23.717

Link: CVE-2026-18695

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses