CVE-2026-8199

Summary

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 Software

VendorProductVersion RangeStatus
MongoDB, Inc.MongoDB Server7.0 < 7.0.34affected
MongoDB, Inc.MongoDB Server8.0 < 8.0.23affected
MongoDB, Inc.MongoDB Server8.2 < 8.2.9affected
MongoDB, Inc.MongoDB Server8.3 < 8.3.2affected

Weaknesses

  • CWE-1325: CWE-1325: Improperly Controlled Sequential Memory Allocation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References