snowflakedb snowflake-jdbc up to 4.0.1 JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner nonProxyHosts redos

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.75

Summaryinfo

A vulnerability identified as problematic has been detected in snowflakedb snowflake-jdbc up to 4.0.1. The affected element is the function SdkProxyRoutePlanner of the file src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java of the component JDBC URL Handler. The manipulation of the argument nonProxyHosts leads to redos. This vulnerability is referenced as CVE-2026-3293. The attack can only be performed from a local environment. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in snowflakedb snowflake-jdbc up to 4.0.1 and classified as problematic. This issue affects the function SdkProxyRoutePlanner of the file src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java of the component JDBC URL Handler. The manipulation of the argument nonProxyHosts with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-3293. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1449.003 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 5fb0a8a318a2ed87f4022a1f56e742424ba94052 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 5fb0a8a318a2ed87f4022a1f56e742424ba94052

Timelineinfo

02/26/2026 Advisory disclosed
02/26/2026 +0 days VulDB entry created
03/03/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2505
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-3293 (🔒)
GCVE (CVE): GCVE-0-2026-3293
GCVE (VulDB): GCVE-100-348035
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/26/2026 19:39
Updated: 03/03/2026 14:10
Changes: 02/26/2026 19:39 (62), 03/03/2026 14:10 (40)
Complete: 🔍
Submitter: fushuling
Cache ID: 216::103

Submitinfo

Accepted

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