CVE-2026-8199

medium
Published 2026-05-13 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 Authored 2026-05-27

Vendor advisory: cna@mongodb.com — https://jira.mongodb.org/browse/SERVER-122449

Application impact

VendorProductVersionsFixed
mongodb mongodbmongodb{"startIncluding":"7.0.0","endExcluding":"7.0.34"}7.0.34

References

CWEs

CWE-1325

Verify integrity in audit chain (admin only). AS-IS.