CVE-2026-19002 MongoDB CVE debrief

Who should care

Organizations using the MongoDB BI Connector ODBC Driver, especially those connecting to potentially malicious servers or with high-risk exposure, should prioritize patching and implement defensive measures. Operators, platforms, vulnerability-management, and security teams should review affected scope, severity, and vendor guidance to ensure proper mitigation and remediation.

Technical summary

The MongoDB BI Connector ODBC Driver has a missing bounds check when parsing stored procedure parameter metadata, which can result in an out-of-bounds write in the client application process. This requires control over the server the driver connects to or the ability to respond in its place to return malformed metadata. The resulting memory corruption may cause the client application to terminate abnormally or, under certain conditions, execute unintended code. Affected product deployments should be reviewed for potential exposure.

Defensive priority

Organizations using the MongoDB BI Connector ODBC Driver should prioritize patching, especially if they connect to potentially malicious servers.

Recommended defensive actions

• Apply patches or updates provided by the vendor as soon as possible
• Restrict access to the driver to trusted servers only
• Monitor for abnormal client application termination or unexpected code execution
• Consider implementing compensating controls such as input validation and sanitization
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE description indicates a missing bounds check in the MongoDB BI Connector ODBC Driver can lead to an out-of-bounds write. Exploitation requires control over the connected server or the ability to respond in its place. Evidence is limited to the CVE description and NIST NVD detail. Defenders should verify affected product deployments, review official advisories, and plan vendor-supported updates or mitigations.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.