Vulnerability in Amazon Athena Odbc Driver

CVE-2026-35560

Improper certificate validation in the identity provider connection components in Amazon Athena ODBC driver before 2.1.0.0 might allow a man-in-the-middle threat actor to intercept authentication credentials due to insufficient default transport security when connecting to identity providers. This only applies to connections with external identity providers and does not apply to connections with Athena. To remediate this issue, users should upgrade to version 2.1.0.0.

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35560?
CVE-2026-35560 is a high-severity vulnerability in Amazon Athena Odbc Driver, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-04-03.
How severe is CVE-2026-35560?
High severity. CVSS v3 base score is 7.4 out of 10.