CVE-2026-8202
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mongodb
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- mongodb mongodb7.0.34, 8.0.23, 8.2.9, 8.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | 7.0.0 ≤ v < 7.0.34, 8.0.0 ≤ v < 8.0.23, 8.2.0 ≤ v < 8.2.9, 8.3.0 ≤ v < 8.3.2 | 7.0.34, 8.0.23, 8.2.9, 8.3.2 |
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