MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA BI Connector (MongoDB) Fixed in 2.14.30
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MongoDB BI Connector 2.14.30
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-52893 MongoDB Connector for BI mongodrdl Logs TLS Private-Key Password When Duplicate Options Are SuppliedPriority LOW 18
Timeline
- 2026-10-02 Threatist record created from CVE-2026-75159
- 2026-10-03 Alias added: GHSA-wwh3-vv7v-5w28
References
More MongoDB Bi Connector vulnerabilities
- TI-2026-56241 MongoDB Connector for BI Unbounded Authentication Negotiation Leading to Connection Exhaustion CVSS 4.0HIGH 8.7
- TI-2026-56239 MongoDB Connector for BI Improper Error Handling of Log Write Failures May Cause Loss of SQL Service CVSS 4.0HIGH 8.7
- TI-2026-56240 BI Connector Optional Client Certificate Verification Allows Unauthenticated Connections CVSS 4.0HIGH 8.7
- TI-2026-54087 MongoDB Connector for BI Unescaped Object Names in Generated SHOW CREATE Output CVSS 4.0HIGH 8.5
- TI-2026-56233 MongoDB Connector for BI Improper Error Handling During Schema Sampling May Cause Loss of SQL Service CVSS 4.0HIGH 8.3
- TI-2026-53906 MongoDB Connector for BI Incomplete Escaping of Stored Metadata in Generated SHOW CREATE Output CVSS 4.0MEDIUM 5.6
Sources
- CVE-2026-75159 · CVE Program
- CVE-2026-75159 · NVD
- FIRST EPSS
- GHSA-wwh3-vv7v-5w28 · GitHub Advisory Database · CC BY 4.0
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