What is CVE-2026-3293?

CVE-2026-3293 is a low-severity vulnerability in Snowflake Jdbc, classified under Uncontrolled Resource Consumption. CVSS score: 3.3/10. Published 2026-02-27.

How severe is CVE-2026-3293?

Low severity. CVSS v3 base score is 3.3 out of 10.

Resource exhaustion in Snowflake Jdbc

CVE-2026-3293

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.

Vulnerability class: DoS (Denial of Service)

Published 2026-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (8.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000

Affected products

Snowflake Jdbc
Snowflakedb Snowflake-Jdbc — versions 4.0.0, 4.0.1

Weakness classification (CWE)

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/snowflakedb/snowflake-jdbc/issues/2505 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
snowflakecomputing.atlassian.net/browse/SNOW-3104251 (Permissions Required, related, Vendor Advisory)
github.com/snowflakedb/snowflake-jdbc/issues/2505 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424b… (Patch, patch)
github.com/snowflakedb/snowflake-jdbc/ (Product, product)

Frequently asked questions

What is CVE-2026-3293?: CVE-2026-3293 is a low-severity vulnerability in Snowflake Jdbc, classified under Uncontrolled Resource Consumption. CVSS score: 3.3/10. Published 2026-02-27.
How severe is CVE-2026-3293?: Low severity. CVSS v3 base score is 3.3 out of 10.