CVE-2026-5170

MEDIUM

5.3

Description

A user with access to the cluster with a limited set of privilege actions can trigger a crash of a mongod process during the limited and unpredictable window when the cluster is being promoted from a replica set to a sharded cluster. This may cause a denial of service by taking down the primary of the replica set. This issue affects MongoDB Server v8.2 versions prior to 8.2.2, MongoDB Server v8.0 versions between 8.0.18, MongoDB Server v7.0 versions between 7.0.31.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published3/30/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mongodb:mongodb

Weaknesses (CWE)

CWE-617

References

https://jira.mongodb.org/browse/SERVER-101758(cna@mongodb.com)

IOC Correlations

No correlations recorded

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