What is CVE-2026-9746?

CVE-2026-9746 is a medium-severity vulnerability, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-06-09.

How severe is CVE-2026-9746?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CVE-2026-9746

CVE-2026-9746

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.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-9746?: CVE-2026-9746 is a medium-severity vulnerability, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2026-06-09.
How severe is CVE-2026-9746?: Medium severity. CVSS v3 base score is 6.5 out of 10.