CVE-2026-75159

MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination

Published Aug 27, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mongodb:bi_connector:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mongodb
Mongodb bi Connector
Vendors & Products Mongodb
Mongodb bi Connector
Type Values Removed Values Added
Description 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.
Title MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination
Weaknesses CWE-415
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mongodb
Published
Updated
Aug 27, 2026, 7:29 PM
Reserved
Aug 17, 2026, 7:11 PM
Status
Analyzed
Published
Aug 27, 2026, 5:19 PM
Modified
Sep 23, 2026, 4:33 PM