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CVE-2026-8199

Post-auth memory exhaustion via bitwise match expressions PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
MongoDB, Inc. / MongoDB Serveraffected 7.0 before 7.0.34; affected 8.0 before 8.0.23; affected 8.2 before 8.2.9; affected 8.3 before 8.3.2

CWE

CWE-1325

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.