CVE-2026-75159 HIGH

CVE-2026-75159: MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination

Vendor Mongodb
Product BI Connector
Weakness CWE-415
Published August 27, 2026
Last update August 27, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until the process restarts.

Key dates

02Disclosure timeline

August 27, 2026 CVE published
August 27, 2026 Record updated