CVE-2026-3293
snowflakedb snowflake-jdbc JDBC URL SdkProxyRoutePlanner.java SdkProxyRoutePlanner redos
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.
INFO
Published Date :
Feb. 27, 2026, 6:18 a.m.
Last Modified :
March 2, 2026, 3:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update snowflake-jdbc to a version including patch 5fb0a8a318a2ed87f4022a1f56e742424ba94052.
- Ensure proper validation of nonProxyHosts argument.
- Monitor for regular expression denial of service attempts.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3293.
| URL | Resource |
|---|---|
| https://github.com/snowflakedb/snowflake-jdbc/ | Product |
| https://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052 | Patch |
| https://github.com/snowflakedb/snowflake-jdbc/issues/2505 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646 | Exploit Issue Tracking Vendor Advisory |
| https://snowflakecomputing.atlassian.net/browse/SNOW-3104251 | Permissions Required Vendor Advisory |
| https://vuldb.com/?ctiid.348035 | Permissions Required VDB Entry |
| https://vuldb.com/?id.348035 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.760428 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3293 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3293
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3293 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3293 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:snowflake:snowflake_jdbc:*:*:*:*:*:*:*:* versions up to (excluding) 4.0.1 Added Reference Type VulDB: https://github.com/snowflakedb/snowflake-jdbc/ Types: Product Added Reference Type VulDB: https://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052 Types: Patch Added Reference Type VulDB: https://github.com/snowflakedb/snowflake-jdbc/issues/2505 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://snowflakecomputing.atlassian.net/browse/SNOW-3104251 Types: Permissions Required, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.348035 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.348035 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.760428 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 27, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-400 Added CWE CWE-1333 Added Reference https://github.com/snowflakedb/snowflake-jdbc/ Added Reference https://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052 Added Reference https://github.com/snowflakedb/snowflake-jdbc/issues/2505 Added Reference https://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646 Added Reference https://snowflakecomputing.atlassian.net/browse/SNOW-3104251 Added Reference https://vuldb.com/?ctiid.348035 Added Reference https://vuldb.com/?id.348035 Added Reference https://vuldb.com/?submit.760428