CVE-2026-8202

MediumCVSS 6.5/10Last modified Oct 26, 2026

Description

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time.

This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
MongoDB, Inc.	MongoDB Server	>= 7.0, < 7.0.34; >= 8.0, < 8.0.23; >= 8.2, < 8.2.9; >= 8.3, < 8.3.2

References

https://jira.mongodb.org/browse/SERVER-120668Issue Tracking, Vendor Advisory

Timeline

Published: May 13, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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