snowflakedb snowflake-jdbc JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner redos

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Summary

CVECVE-2026-3293
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-27 06:18:00 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 1.9 LOW from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-400 | CWE-1333 | CWE-1333 Inefficient Regular Expression Complexity | CWE-400 Resource Consumption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.9LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.0CNADECLARED3.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary1.7AV:L/AC:L/Au:S/C:N/I:N/A:P
2.0CNADECLARED1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Snowflake Snowflake Jdbc All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Snowflakedb Snowflake-jdbc affected 4.0.0 Not specified
CNA Snowflakedb Snowflake-jdbc affected 4.0.1 Not specified

References

ReferenceSourceLinkTags
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
snowflakecomputing.atlassian.net/browse/SNOW-3104251 [email protected] snowflakecomputing.atlassian.net Permissions Required, Vendor Advisory
github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e... [email protected] github.com Patch
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
github.com/snowflakedb/snowflake-jdbc [email protected] github.com Product
github.com/snowflakedb/snowflake-jdbc/issues/2505 [email protected] github.com Exploit, Issue Tracking, Vendor Advisory
github.com/snowflakedb/snowflake-jdbc/issues/2505 [email protected] github.com Exploit, Issue Tracking, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: fushuling (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-02-26T00:00:00.000ZAdvisory disclosed
CNA2026-02-26T01:00:00.000ZVulDB entry created
CNA2026-02-26T19:39:27.000ZVulDB entry last update
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