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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-8199

Post-auth memory exhaustion via bitwise match expressions

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Status
Published
Published
Updated
Assigning organization
mongodb

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MongoDB, Inc. MongoDB Server

Default version status: unaffected

  • 7.0 to < 7.0.34affected
  • 8.0 to < 8.0.23affected
  • 8.2 to < 8.2.9affected
  • 8.3 to < 8.3.2affected

References