CVE-2026-9747

MEDIUM

Crafted cross-shard merge aggregation crashes MongoDB Server

Title source: cna
STIX 2.1

Description

Adding fromRouter:true and runtimeConstants.userRoles could cause aggregations to crash mongodb server.

References (1)

Core 1

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 14.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (5)
mongodb/mongodb 7.0.0 - 7.0.35
MongoDB/MongoDB Server 7.0.0 - 7.0.35
MongoDB/MongoDB Server 8.0.0 - 8.0.24
MongoDB/MongoDB Server 8.2.0 - 8.2.10
MongoDB/MongoDB Server 8.3.0 - 8.3.3
Published Jun 09, 2026
Tracked Since Jun 10, 2026