CVE-2026-35561: Amazon Athena Odbc

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Insufficient authentication security controls in the browser-based authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to intercept or hijack authentication sessions due to insufficient protections in the browser-based authentication flows. To remediate this issue, users should upgrade to version 2.1.0.0.

Affected products

• Amazon Athena Odbc: before 2.1.0.0 (fixed in 2.1.0.0)

Published 2026-04-03. Last modified 2026-07-24.