---
id: CVE-2026-35558
title: >-
  Improper neutralization of special elements in authentication components in
  Amazon Athena ODBC driver
summary: >-
  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 con…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-77
vendor: Amazon
product: Amazon Athena ODBC driver
affected:
  - athena_odbc_driver < 2.1.0.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-07T03:55:33.873087Z'
published: '2026-04-03'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T18:17:59.411Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-35558'
references:
  - url: 'https://aws.amazon.com/security/security-bulletins/2026-013-aws/'
  - url: >-
      https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Windows/AmazonAthenaODBC-2.1.0.0.msi
  - url: >-
      https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Linux/AmazonAthenaODBC-2.1.0.0.rpm
  - url: >-
      https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/arm/AmazonAthenaODBC-2.1.0.0_arm.pkg
  - url: >-
      https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/Intel/AmazonAthenaODBC-2.1.0.0_x86.pkg
  - url: >-
      https://docs.aws.amazon.com/athena/latest/ug/odbc-v2-driver-release-notes.html
tags:
  - cve.org
epss: 0.00331
epssPercentile: 0.24858
ingestedAt: '2026-10-20T19:16:14.554Z'
---

## Overview

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.

## Affected

- `athena_odbc_driver < 2.1.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.