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.

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History

Tue, 11 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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

Type Values Removed Values Added
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.
Title Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-08-11T20:28:10.294Z

Reserved: 2026-08-03T15:55:06.014Z

Link: CVE-2026-18707

cve-icon Vulnrichment

Updated: 2026-08-11T20:28:05.507Z

cve-icon NVD

Status : Received

Published: 2026-08-11T19:17:25.517

Modified: 2026-08-11T21:17:33.570

Link: CVE-2026-18707

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses