What is CVE-2026-19503?

CVE-2026-19503 is a medium-severity vulnerability in Mongodb Atlas Sql Odbc Driver, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2026-08-12.

How severe is CVE-2026-19503?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Improper input validation in Mongodb Atlas Sql Odbc Driver

CVE-2026-19503

MongoDB Schema Manager and MongoDB Atlas SQL ODBC Driver do not validate the scheme of the authorization and token endpoints returned by an OIDC issuer's discovery document. A user induced to connect to an uncontrolled MongoDB deployment u…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mongodb Atlas Sql Odbc Driver — versions 1.0.0
Mongodb Schema Builder Cli — versions 1.0.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-19503?: CVE-2026-19503 is a medium-severity vulnerability in Mongodb Atlas Sql Odbc Driver, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2026-08-12.
How severe is CVE-2026-19503?: Medium severity. CVSS v3 base score is 4.8 out of 10.