How severe is CVE-2026-19001?

CVE-2026-19001 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-19001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-19001?

CVE-2026-19001 affects Mongodb Bi Connector Odbc Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-19001?

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

When was CVE-2026-19001 published?

CVE-2026-19001 was published on 2026-08-12 and last updated on 2026-09-11.

CVE-2026-19001

CVE-2026-19001 is a critical-severity vulnerability in Mongodb Bi Connector Odbc Driver with a CVSS 3.x base score of 9.8. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Mongodb Bi Connector Odbc Driver
Published: 2026-08-12
Last modified: 2026-09-11

Description

The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application supplies an unusually long catalog, schema, or object name to a metadata retrieval function. This may result in memory corruption within the calling application's process, leading to abnormal termination and, under certain conditions, the potential for arbitrary code execution.

Frequently asked questions

What is CVE-2026-19001?: The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application supplies an unusually long catalog, schema, or object name to a metadata retrieval function. This may result in memory corruption within the calling application's process, leading to abnormal termination and, under certain conditions, the potential for arbitrary code execution.
How severe is CVE-2026-19001?: CVE-2026-19001 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-19001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-19001?: CVE-2026-19001 affects Mongodb Bi Connector Odbc Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-19001?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-19001 published?: CVE-2026-19001 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

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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-2026-19003 — High (CVSS 7.8): A data source definition containing an over-length file path setting may cause the MongoDB BI Connector ODBC Driver…
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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