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CVE-2026-18707 Details

Description

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://jira.mongodb.org/browse/SERVER-128482	[email protected]	Vendor AdvisoryIssue Tracking

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-617	Reachable Assertion	[email protected]

Affected Products

Product	Versions
mongodb mongodb	>= 7.0.0, < 7.0.40 >= 8.0.0, < 8.0.29 >= 8.2.0, <= 8.2.12 >= 8.3.0, < 8.3.8 9.0.0 alpha0
CPE cpe:2.3:a:mongodb:mongodb:::::::: cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:::-:-:: cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:::-:-:: cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:::-:-:: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 16, 2026	Initial Analysis	[email protected]
Aug 11, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	New CVE Received	[email protected]