What is CVE-2026-9751?

CVE-2026-9751 is a medium-severity vulnerability in Mongodb, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-06-09.

How severe is CVE-2026-9751?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Mongodb

CVE-2026-9751

The ldapQueryPassword parameter, when set through the runtime setParameter command, will log the new password to the mongod.log file in plain text.

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mongodb
Mongodb Server — versions 8.3.0, 8.2.0, 8.0.0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

cna@mongodb.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-9751?: CVE-2026-9751 is a medium-severity vulnerability in Mongodb, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-06-09.
How severe is CVE-2026-9751?: Medium severity. CVSS v3 base score is 5.5 out of 10.