CVE-2026-3293

snowflakedb snowflake-jdbc JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner redos

MEDIUM
5.5
CVSS Score
Published: February 27, 2026 at 05:32 AM UTC
Updated: June 17, 2026 at 10:43 AM UTC
2 products affected across 2 vendorsSnowflake JdbcSnowflake Jdbc

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.348035
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.348035
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.760428
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/snowflakedb/snowflake-jdbc/issues/2505
RelatedPermissions RequiredVendor Advisory
Source: cverecord
https://snowflakecomputing.atlassian.net/browse/SNOW-3104251
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1333CWE-400

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