What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-03 · updated 2026-10-20
• Weakness: CWE-77

Description

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 products

• Amazon Athena ODBC driver: before 2.1.0.0 — fixed in 2.1.0.0

How to fix

Upgrade to a fixed version: Amazon Athena ODBC driver 2.1.0.0. Check the vendor advisory for mitigations.

References

• https://aws.amazon.com/security/security-bulletins/2026-013-aws/
• https://docs.aws.amazon.com/athena/latest/ug/odbc-v2-driver-release-notes.html
• https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Linux/AmazonAthenaODBC-2.1.0.0.rpm
• https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/Intel/AmazonAthenaODBC-2.1.0.0_x86.pkg
• https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/arm/AmazonAthenaODBC-2.1.0.0_arm.pkg
• https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Windows/AmazonAthenaODBC-2.1.0.0.msi

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