CVE-2026-8199

published 2026-05-13

CVE-2026-8199: An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear…

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

An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM.

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 7.1 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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-1325