Is CVE-2026-8199 actively exploited?

No active exploitation of CVE-2026-8199 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8199 be exploited remotely?

Yes. CVE-2026-8199 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8199?

CVE-2026-8199 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-8199

CWE-1325Published: May 13, 2026· Updated: May 13, 2026

6.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.7th

Official 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.

NVD Source

Technical Analysis

CVE-2026-8199 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.