CVE-2026-8199
medium
CVSS v3
6.5
CVSS v2
—
VIR risk
6.5
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cna@mongodb.com — https://jira.mongodb.org/browse/SERVER-122449
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mongodb | mongodb | {"startIncluding":"7.0.0","endExcluding":"7.0.34"} | 7.0.34 |
References
CWEs
CWE-1325
Verify integrity in audit chain (admin only). AS-IS.