CVE-2026-35558 HIGH

CVE-2026-35558: Improper neutralization of special elements in authentication components in Amazon Athena ODBC driver

Weakness CWE-77
Published April 3, 2026
Last update April 7, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to execute arbitrary code or redirect authentication flows by using specially crafted connection parameters that are processed by the driver during user-initiated authentication. To remediate this issue, users should upgrade to version 2.1.0.0.

Key dates

02Disclosure timeline

April 3, 2026 CVE published
April 7, 2026 Record updated