CVE-2026-9746

Medium

Description

When using $changestreams and $_requestReshardingResumeToken with the exchange option the server hits an invariant which causes the server to crash. There are no special privileges needed. The user must be logged in to issue the statement.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMongodb
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • mongodb mongodb7.0.35, 8.0.24, 8.2.10, 8.3.3 or later

Affected products

ProductAffected versionsFixed in
mongodb mongodb7.0.0 ≤ v < 7.0.35, 8.0.0 ≤ v < 8.0.24, 8.2.0 ≤ v < 8.2.10, 8.3.0 ≤ v < 8.3.37.0.35, 8.0.24, 8.2.10, 8.3.3

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