CVE-2026-9735 MEDIUM

CVE-2026-9735: Keyfile contents are in MongoDB Server logs

Vendor Mongodb
Product MongoDB Server
Weakness CWE-532 · Sensitive info in logs
Published June 9, 2026
Last update June 10, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 10, 2026 Record updated