Is CVE-2026-8843 actively exploited?

No active exploitation of CVE-2026-8843 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8843 be exploited remotely?

Yes. CVE-2026-8843 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8843?

CVE-2026-8843 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-8843

CWE-617Published: May 18, 2026· Updated: May 18, 2026

6.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.0th

Official Description

Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices.

This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6

NVD Source

Technical Analysis

CVE-2026-8843 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.