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Athena ODBC driver patched for command injection and OOB write

2 min readPublished 03 Apr 2026Source: AWS Security Bulletins

TL;DR — AWS published fixes for multiple Amazon Athena ODBC Driver vulnerabilities, including Linux OS command injection and a query-processing out-of-bounds write, with no workaround available.

What happened

The Amazon Athena ODBC driver is a client-side driver that implements ODBC APIs so applications (including C/C++ apps and many BI/data tools) can connect to Amazon Athena.

AWS Security Bulletin 2026-013-AWS discloses six vulnerabilities in the Amazon Athena ODBC driver across authentication, query processing, and parsing/connection components. The issues called out by AWS include OS command injection (Linux-only in a browser-based auth component), improper certificate validation in identity-provider connections, and an out-of-bounds write in query processing.

Because ODBC drivers are routinely installed on developer workstations, data gateways, ETL runners, and shared analytics hosts, this kind of driver-layer vulnerability can become a high-leverage entry point (credential-handling + network access + broad deployment footprint), even when the underlying cloud service is well-hardened.

Who is impacted

  • Any environment using the Amazon Athena ODBC Driver on Windows, Linux, or macOS.
  • Linux environments specifically using the driver’s browser-based authentication component (CVE-2026-5485).
CVEAWS descriptionPlatform scope (per AWS)Addressed in (per AWS)
CVE-2026-5485OS command injection in browser-based authentication componentLinux only2.0.5.1
CVE-2026-35558Improper neutralization of special elements in authentication componentsAll supported platforms2.1.0.0
CVE-2026-35559Out-of-bounds write in query processing componentsAll supported platforms2.1.0.0
CVE-2026-35560Improper certificate validation in identity provider connection componentsAll supported platforms2.1.0.0
CVE-2026-35561Insufficient authentication security controls in browser-based authentication componentsAll supported platforms2.1.0.0
CVE-2026-35562Allocation of resources without limits in parsing componentsAll supported platforms2.1.0.0

What to do now

  • Follow vendor remediation guidance and apply the patched release AWS references.
    • "This issue has been addressed in Amazon Athena ODBC driver version 2.1.0.0. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes."

    • "Workarounds No workaround is available."

  • Inventory where the Athena ODBC driver is installed (developer workstations, shared data gateways, CI runners, analytics hosts) and prioritize upgrades for environments that handle production credentials.
  • If you maintain a fork/derivative of the driver or embed it into a managed distribution, ensure it incorporates AWS’s fixes (per the bulletin’s guidance).

Content is AI-assisted and reviewed by our team, but issues may be missed and best practices evolve rapidly, send corrections to [email protected]. Always consult official documentation and validate key implementation decisions before making design or security choices.

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