CVE-2026-8202
Post-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | mongodb, inc. |
| Product | mongodb server |
| Published | May 13, 2026 |
| Last Updated | May 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected 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