How severe is CVE-2026-19003?

CVE-2026-19003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-19003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-19003?

CVE-2026-19003 affects Mongodb Bi Connector Odbc Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-19003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-19003 published?

CVE-2026-19003 was published on 2026-08-12 and last updated on 2026-09-11.

CVE-2026-19003

CVE-2026-19003 is a high-severity vulnerability in Mongodb Bi Connector Odbc Driver with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-121
Affected product: Mongodb Bi Connector Odbc Driver
Published: 2026-08-12
Last modified: 2026-09-11

Description

A data source definition containing an over-length file path setting may cause the MongoDB BI Connector ODBC Driver setup dialog to write outside the bounds of an allocated buffer. The issue stems from an incorrect buffer capacity calculation in the dialog's file and folder selection handling, and is reached only when a user opens the setup dialog for such a data source and initiates a file or folder selection. Depending on build configuration, the result may range from abnormal process termination to, under certain conditions, execution of unintended code in the context of the user running the dialog.

Frequently asked questions

What is CVE-2026-19003?: A data source definition containing an over-length file path setting may cause the MongoDB BI Connector ODBC Driver setup dialog to write outside the bounds of an allocated buffer. The issue stems from an incorrect buffer capacity calculation in the dialog's file and folder selection handling, and is reached only when a user opens the setup dialog for such a data source and initiates a file or folder selection. Depending on build configuration, the result may range from abnormal process termination to, under certain conditions, execution of unintended code in the context of the user running the dialog.
How severe is CVE-2026-19003?: CVE-2026-19003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-19003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-19003?: CVE-2026-19003 affects Mongodb Bi Connector Odbc Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-19003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-19003 published?: CVE-2026-19003 was published on 2026-08-12 and last updated on 2026-09-11.

References

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

Affected products (1)

cpe:2.3:a:mongodb:bi_connector_odbc_driver:*:*:*:*:*:*:*:*

More vulnerabilities in Mongodb Bi Connector Odbc Driver

CVE-2026-19001 — Critical (CVSS 9.8): The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application supplies…
CVE-2026-81532 — High (CVSS 8.8): A user able to submit SQL through an application using the MongoDB Connector for BI ODBC driver can supply a…
CVE-2026-19004 — High (CVSS 8.1): An application using the MongoDB BI Connector ODBC Driver may experience a memory-safety issue when processing output…
CVE-2026-19002 — High (CVSS 8.1): A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Driver can…
CVE-2026-81533 — High (CVSS 7.1): An application using the MongoDB BI Connector ODBC Driver may encounter a memory-safety issue when a submitted SQL…
CVE-2026-18888 — Medium (CVSS 6.5): The MongoDB BI Connector ODBC Driver converts floating point column values into text without checking that the result…

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