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.
Published: 2026-08-11
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-08-11T18:34:04.431Z

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

Link: CVE-2026-18707

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-18707

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses