What is CVE-2026-9742?

CVE-2026-9742 is a high-severity vulnerability, classified under CWE-1287. CVSS score: 7.5/10. Published 2026-06-09.

How severe is CVE-2026-9742?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-9742

CVE-2026-9742

When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

CWE-1287

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-9742?: CVE-2026-9742 is a high-severity vulnerability, classified under CWE-1287. CVSS score: 7.5/10. Published 2026-06-09.
How severe is CVE-2026-9742?: High severity. CVSS v3 base score is 7.5 out of 10.