CVE-2026-8202 Details
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.
A denial-of-service vulnerability has been identified in MongoDB Server aggregation operators $trim, $ltrim, and $rtrim. By using a densely populated character mask and a large input string, an authenticated user with aggregation permissions can cause CPU utilization to spike to 100% for an extended period. This issue affects MongoDB Server versions 7.0 prior to 7.0.34, 8.0 prior to 8.0.23, 8.2 prior to 8.2.9, and 8.3 prior to 8.3.2.
Users can upgrade to MongoDB Server versions 8.3.0-rc0, 8.2.8, 8.0.22, or 7.0.34 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://jira.mongodb.org/browse/SERVER-120668 | [email protected] | Issue TrackingVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mongodb mongodb | >= 7.0.0, < 7.0.34 >= 8.0.0, < 8.0.23 >= 8.2.0, < 8.2.9 >= 8.3.0, < 8.3.2 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 18, 2026 | Initial Analysis | [email protected] |
| May 13, 2026 | New CVE Received | [email protected] |