CVE-2026-3293: snowflakedb snowflake-jdbc JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner redos

Published Feb 27, 2026
·
Updated

A weakness has been identified in Snowflake JDBC Driver up to 4.0.1. Impacted is the function SdkProxyRoutePlanner of the file src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java of the component JDBC URL Handler. Executing a manipulation of the argument nonProxyHosts can lead to inefficient regular expression complexity. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5fb0a8a318a2ed87f4022a1f56e742424ba94052. A patch should be applied to remediate this issue.

Other sources

A weakness has been identified in snowflakedb snowflake-jdbc up to 4.0.1. Impacted is the function SdkProxyRoutePlanner of the file src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java of the component JDBC URL Handler. Executing a manipulation of the argument nonProxyHosts can lead to inefficient regular expression complexity. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5fb0a8a318a2ed87f4022a1f56e742424ba94052. A patch should be applied to remediate this issue.

— MITRE

Affected Software

4 affected components
maven/net.snowflake/snowflake-jdbc<=4.0.1
Snowflake Snowflake JDBC<4.0.1
maven/net.snowflake:snowflake-jdbc<=4.0.1
IBM watsonx.data<=2.2- 2.3.1

Remediation

Patch Available

https://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052

Event History

Feb 27, 2026
CVE Published
via MITRE·05:32 AM
Data Sourced
via MITRE·05:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:18 AM
RemedyDescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·06:31 AM
Data Sourced
via GitHub·06:31 AM
DescriptionSeverityWeaknessAffected Software
May 9, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-3293?

CVE-2026-3293 has been classified with a medium severity due to its potential for denial of service attacks via regular expression denial of service (ReDoS).

2

How do I fix CVE-2026-3293?

To fix CVE-2026-3293, update the snowflake-jdbc library to version 4.0.2 or higher which addresses the vulnerability.

3

Which versions are affected by CVE-2026-3293?

CVE-2026-3293 affects snowflake-jdbc versions up to and including 4.0.1.

4

What is the nature of the vulnerability in CVE-2026-3293?

CVE-2026-3293 is a ReDoS vulnerability in the SdkProxyRoutePlanner.java function which can lead to significant resource exhaustion.

5

Who is impacted by CVE-2026-3293?

Users of snowflake-jdbc library versions 4.0.1 and below are impacted by CVE-2026-3293.

Company

Resources

Contact

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