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CVE-2026-5170

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CVE-2026-5170

Published: Mar 30, 2026

Modified: Mar 30, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

MongoDB

MongoDB Server

affected
8.2 - < 8.2.2
affected
8.0 - < 8.0.18
affected
7.0 - < 7.0.31

Weaknesses (CWE)

CWE-617

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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