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

Quick assessment

Affected
snowflakedb snowflake-jdbc
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Snowflake JDBC Driver是Snowflake公司的一个 Snowflake JDBC 驱动程序。 Snowflake JDBC Driver 4.0.1及之前版本存在安全漏洞，该漏洞源于对组件JDBC URL Handler的文件src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java中函数SdkProxyRoutePlanner的参数nonProxyHosts的错误操作，可能导致正则表达式拒绝服

CVSS 3.3 · Low EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3293

Vulnerability Information
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Vulnerability Title
snowflakedb snowflake-jdbc JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner redos
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
Snowflake JDBC Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Snowflake JDBC Driver是Snowflake公司的一个 Snowflake JDBC 驱动程序。 Snowflake JDBC Driver 4.0.1及之前版本存在安全漏洞，该漏洞源于对组件JDBC URL Handler的文件src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java中函数SdkProxyRoutePlanner的参数nonProxyHosts的错误操作，可能导致正则表达式拒绝服
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
snowflakedb snowflake-jdbc 4.0.0 -

II. Public POCs for CVE-2026-3293

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III. Intelligence Information for CVE-2026-3293

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News Coverage for CVE-2026-3293 (1)

IV. Related Vulnerabilities

Same product: snowflake-jdbc
Same vendor: snowflakedb
Same weakness: CWE-1333

V. Comments for CVE-2026-3293

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