How severe is CVE-2026-3293?

CVE-2026-3293 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-3293 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3293?

CVE-2026-3293 affects Snowflake Snowflake Jdbc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3293?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3293 have an EU (EUVD) identifier?

Yes. CVE-2026-3293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9002.

When was CVE-2026-3293 published?

CVE-2026-3293 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-3293

CVE-2026-3293 is a low-severity vulnerability in Snowflake Snowflake Jdbc with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9002
Weakness: CWE-400
Affected product: Snowflake Snowflake Jdbc
Published: 2026-02-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-3293?: CVE-2026-3293 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-3293 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3293?: CVE-2026-3293 affects Snowflake Snowflake Jdbc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3293?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3293 have an EU (EUVD) identifier?: Yes. CVE-2026-3293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9002.
When was CVE-2026-3293 published?: CVE-2026-3293 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:snowflake:snowflake_jdbc:*:*:*:*:*:*:*:*

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