CVE-2026-3293
Inefficient Regex Complexity in Snowflake-JDBC SdkProxyRoutePlanner
Publication date: 2026-02-27
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| snowflake | snowflake_jdbc | to 4.0.1 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1333 | The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. |
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the snowflake-jdbc component, specifically in the SdkProxyRoutePlanner function of the JDBC URL Handler. It involves manipulation of the argument nonProxyHosts, which can cause inefficient regular expression complexity. This means that if an attacker manipulates this argument locally, it could lead to performance issues or resource exhaustion due to the way regular expressions are processed.
The vulnerability can only be exploited locally and the exploit code has been made publicly available. A patch has been released to fix this issue.
How can this vulnerability impact me? :
The impact of this vulnerability is primarily a denial of service through inefficient regular expression processing, which can degrade system performance or cause resource exhaustion.
Since the attack requires local access, it limits the risk to users or attackers who already have some level of access to the system.
The CVSS scores indicate a low to moderate impact, with no confidentiality or integrity loss, but potential availability impact.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should apply the patch identified as 5fb0a8a318a2ed87f4022a1f56e742424ba94052 to the snowflake-jdbc component.
Since the attack can only be executed locally, ensure that local access to the affected system is properly controlled and restricted.