# CVE-2026-120959: MongoDB Atlas SQL ODBC Driver uses ignored SQLBindCol BufferLength as fixed-width row-array stride, causing out-of-bounds writes

> CVE-2026-120959: MongoDB Atlas SQL ODBC Driver uses ignored SQLBindCol BufferLength as fixed-width row-array stride, causing out-of-bounds writes. CVSS 3.7 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-120959
Last updated: 2026-11-03T21:17:04Z

- Published: 2026-11-03 20:18 UTC · Updated: 2026-11-03 21:17 UTC · Assigner: mongodb
- CVSS: 3.7 (CVSS 3.1) · Severity: Low · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L
- EPSS: 0.22%, 13th percentile (scored 2026-11-04)
- CISA KEV: no
- CWE: CWE-787

## Description

A memory-handling flaw in the MongoDB Atlas SQL ODBC Driver can cause values returned for a query to be written outside the bounds of a buffer provided by the calling application. A party able to influence the values a query returns may cause data to be placed at an unintended location in the client application's memory, which may result in unintended modification of that memory or termination of the client process. Reaching this condition depends on a specific, application-chosen way of requesting several result rows at once.

## Affected vendors and products

- MongoDB: Atlas SQL

## Tracked companies

- [MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-120959)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-120959)
- [https://jira.mongodb.org/browse/SQL-3458](https://jira.mongodb.org/browse/SQL-3458)
- [https://www.mongodb.com/docs/sql-interface/changelog/](https://www.mongodb.com/docs/sql-interface/changelog/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-120959 · Markdown: https://rewindex.com/cve/CVE-2026-120959.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-120959 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T15:28:15.298Z