CVE-2026-8202

published 2026-05-13

CVE-2026-8202: Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with…

Priority P3 36 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
mongodb	mongodb	>= 7.0.0 < 7.0.34	7.0.34
mongodb	mongodb	>= 8.0.0 < 8.0.23	8.0.23
mongodb	mongodb	>= 8.2.0 < 8.2.9	8.2.9
mongodb	mongodb	>= 8.3.0 < 8.3.2	8.3.2
mongodb_inc	mongodb_server	>= 7.0 < 7.0.34	7.0.34
mongodb_inc	mongodb_server	>= 8.0 < 8.0.23	8.0.23
mongodb_inc	mongodb_server	>= 8.2 < 8.2.9	8.2.9
mongodb_inc	mongodb_server	>= 8.3 < 8.3.2	8.3.2

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v4.0 5.3 MEDIUM 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-770