CVE-2026-3293

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{"affected": [{"affectedData": [{"modules": ["JDBC URL Handler"], "product": "snowflake-jdbc", "vendor": "snowflakedb", "versions": [{"status": "affected", "version": "4.0.0"}, {"status": "affected", "version": "4.0.1"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:snowflake:snowflake_jdbc:*:*:*:*:*:*:*:*", "matchCriteriaId": "22573F77-B438-4C02-AFF5-33EC07628C5C", "versionEndExcluding": "4.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se ha identificado una debilidad en snowflakedb snowflake-jdbc hasta la versi\u00f3n 4.0.1 que afecta a SdkProxyRoutePlanner del archivo src/main/java/net/snowflake/client/internal/core/SdkProxyRoutePlanner.java del componente JDBC URL gestor. Manipular el argumento nonProxyHosts puede llevar a una complejidad ineficiente de la expresi\u00f3n regular. El ataque solo puede ejecutarse localmente. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda usarse para ataques. Este parche se llama 5fb0a8a318a2ed87f4022a1f56e742424ba94052. Es preciso aplicar el parche para solucionar este problema."}], "id": "CVE-2026-3293", "lastModified": "2026-06-17T10:43:21.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 1.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3293", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-27T18:53:28.821695Z", "version": "2.0.3"}}]}, "published": "2026-02-27T06:18:00.250", "references": [{"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://github.com/snowflakedb/snowflake-jdbc/"}, {"source": "cna@vuldb.com", "tags": ["Patch"], "url": "https://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://github.com/snowflakedb/snowflake-jdbc/issues/2505"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://snowflakecomputing.atlassian.net/browse/SNOW-3104251"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.348035"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.348035"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.760428"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-1333"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{"bugzilla": {"description": "snowflake-jdbc: snowflake-jdbc: Denial of Service via inefficient regular expression processing", "id": "2443274", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2443274"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-1333", "details": ["A flaw was found in snowflake-jdbc. A local user can exploit a vulnerability in the `SdkProxyRoutePlanner` function by manipulating the `nonProxyHosts` argument. This manipulation leads to inefficient regular expression complexity, which can result in a Denial of Service (DoS) condition."], "name": "CVE-2026-3293", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "snowflake-jdbc", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Fix deferred", "package_name": "snowflake-jdbc", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-02-27T05:32:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3293\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3293\nhttps://github.com/snowflakedb/snowflake-jdbc/\nhttps://github.com/snowflakedb/snowflake-jdbc/commit/5fb0a8a318a2ed87f4022a1f56e742424ba94052\nhttps://github.com/snowflakedb/snowflake-jdbc/issues/2505\nhttps://github.com/snowflakedb/snowflake-jdbc/issues/2505#issue-3951994646\nhttps://snowflakecomputing.atlassian.net/browse/SNOW-3104251\nhttps://vuldb.com/?ctiid.348035\nhttps://vuldb.com/?id.348035\nhttps://vuldb.com/?submit.760428"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.0.1"}}], "enrichment": {"confidence": 96.0, "confidence_source": "matching", "scores": [{"score": 96.0, "source": "matching"}]}, "original": {"product": "snowflake-jdbc", "source": "cna", "vendor": "snowflakedb"}, "product": "snowflake_jdbc", "vendor": "snowflake"}], "analysis": {"en": {"generated_at": "2026-04-16T15:32:30.157679+00:00", "value": {"mitigation_remediation": ["Upgrade the Snowflake JDBC driver to the patched version that includes commit 5fb0a8a318a2ed87f4022a1f56e742424ba94052 or newer, which resolves the regular expression issue.", "If an immediate upgrade is not possible, modify your application configurations to remove or sanitize any user\u2011supplied values for the nonProxyHosts parameter in JDBC URLs.", "Limit local deployment of the JDBC driver to trusted environments and monitor CPU usage for abnormal spikes; consider resource\u2011limits or isolation policies to mitigate potential DoS effects."], "summary": {"action": "Apply Patch", "impact": "Denial of Service via Regular Expression DoS"}, "threat_synthesis": {"affected_systems": "Snowflake JDBC drivers up to version 4.0.1 are affected. The vendor product is Snowflake JDBC from snowflakedb, and the vulnerability exists until the patch that incorporates commit 5fb0a8a318a2ed87f4022a1f56e742424ba94052, which is contained in later releases.", "description_and_impact": "The SdkProxyRoutePlanner component of the Snowflake JDBC driver fails to validate the nonProxyHosts argument, allowing an attacker who can supply malicious input to craft a regular expression that triggers excessive CPU usage and memory consumption. This leads to Resource Exhaustion, disrupting the availability of the database client. The weakness is a classic Regular Expression Denial of Service flaw, identified as CWE\u20111333 and also linked to unbounded resource consumption (CWE\u2011400).", "risk_and_exploitability": "The CVSS score is 4.8, indicating a medium severity. The EPSS score is below 1\u202f%, which means the likelihood of exploitation is low, and the vulnerability is not listed in the CISA KEV catalog. The attacker must have local access to the system running the JDBC driver, as the description notes that the attack can only be executed locally. Consequently, while the impact is limited to availability for local users, the overall risk for remote attackers remains low."}}}}, "created": "2026-03-02T12:07:24.211683+00:00", "updated": "2026-04-16T15:45:16.064646+00:00", "vendors": ["snowflake", "snowflake$PRODUCT$snowflake_jdbc"]}