CVE-2026-5170 in MongoDB Serverinfo

Summary

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.

Responsible

mongodb

Reservation

03/30/2026

Disclosure

03/30/2026

Entries

VulDB provides additional information and datapoints for this CVE:

IDVulnerabilityCWEExpCouCVE
354204MongoDB Server assertion617Not definedOfficial fixCVE-2026-5170

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