CVE-2026-23985

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The vulnerability is located in the sql_parse.py component, specifically within the SQL_REGEX used for parsing SQL statements in the sqlparse library integration.<br>The affected regular expression contains overlapping disjunctions that share a common outer quantifier. An authenticated attacker can exploit this by sending a maliciously crafted input string (specifically a long sequence of backslashes or similar characters) to endpoints that process SQL queries</p><p>This issue affects Apache Superset: before 6.0.0.</p><p>Users are recommended to upgrade to version 6.0.0, which fixes the issue.&nbsp;</p><p>Workarounds:<br>\u25cf WAF Rules: Implement Web Application Firewall (WAF) rules to detect and block<br>requests containing excessively long sequences of backslashes or suspicious repeated<br>patterns in the queries.extras.where parameter.<br>\u25cf Rate Limiting: Ensure strict rate limiting is applied to the /api/v1/chart/data endpoint to<br>reduce the impact of potential attacks.</p>"}], "value": "A Regular Expression Denial of Service (ReDoS) vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. 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An authenticated attacker can exploit this by sending a maliciously crafted input string (specifically a long sequence of backslashes or similar characters) to endpoints that process SQL queries\n\nThis issue affects Apache Superset: before 6.0.0.\n\nUsers are recommended to upgrade to version 6.0.0, which fixes the issue.\u00a0\n\nWorkarounds:\n\u25cf WAF Rules: Implement Web Application Firewall (WAF) rules to detect and block\nrequests containing excessively long sequences of backslashes or suspicious repeated\npatterns in the queries.extras.where parameter.\n\u25cf Rate Limiting: Ensure strict rate limiting is applied to the /api/v1/chart/data endpoint to\nreduce the impact of potential attacks."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 5.3, "baseSeverity": "MEDIUM", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "description": "CWE-1333 Inefficient Regular Expression Complexity", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-07-30T16:09:24.026Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/fdy7tx7glv90ypd7qnm1g1pt7nn336qx"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Superset: Regular Expression Denial of Service (ReDoS) in SQL Parser", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/07/30/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-30T16:36:25.754Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-30T19:16:28.690957Z", "id": "CVE-2026-23985", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-30T19:16:46.521Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/07/30/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-30T16:36:25.754Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23985", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-30T19:16:28.690957Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-30T19:16:37.156Z"}}], "cna": {"title": "Apache Superset: Regular Expression Denial of Service (ReDoS) in SQL Parser", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Trung \u0110\u1ee9c L\u00ea"}, {"lang": "en", "type": "remediation developer", "value": "Beto de Almeida"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Superset", "versions": [{"status": "affected", "version": "0", "lessThan": "6.0.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://lists.apache.org/thread/fdy7tx7glv90ypd7qnm1g1pt7nn336qx", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "A Regular Expression Denial of Service (ReDoS) vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. The vulnerability is located in the sql_parse.py component, specifically within the SQL_REGEX used for parsing SQL statements in the sqlparse library integration.\nThe affected regular expression contains overlapping disjunctions that share a common outer quantifier. An authenticated attacker can exploit this by sending a maliciously crafted input string (specifically a long sequence of backslashes or similar characters) to endpoints that process SQL queries\n\nThis issue affects Apache Superset: before 6.0.0.\n\nUsers are recommended to upgrade to version 6.0.0, which fixes the issue.\u00a0\n\nWorkarounds:\n\u25cf WAF Rules: Implement Web Application Firewall (WAF) rules to detect and block\nrequests containing excessively long sequences of backslashes or suspicious repeated\npatterns in the queries.extras.where parameter.\n\u25cf Rate Limiting: Ensure strict rate limiting is applied to the /api/v1/chart/data endpoint to\nreduce the impact of potential attacks.", "supportingMedia": [{"type": "text/html", "value": "<p>A Regular Expression Denial of Service (ReDoS) vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. The vulnerability is located in the sql_parse.py component, specifically within the SQL_REGEX used for parsing SQL statements in the sqlparse library integration.<br>The affected regular expression contains overlapping disjunctions that share a common outer quantifier. An authenticated attacker can exploit this by sending a maliciously crafted input string (specifically a long sequence of backslashes or similar characters) to endpoints that process SQL queries</p><p>This issue affects Apache Superset: before 6.0.0.</p><p>Users are recommended to upgrade to version 6.0.0, which fixes the issue.&nbsp;</p><p>Workarounds:<br>\u25cf WAF Rules: Implement Web Application Firewall (WAF) rules to detect and block<br>requests containing excessively long sequences of backslashes or suspicious repeated<br>patterns in the queries.extras.where parameter.<br>\u25cf Rate Limiting: Ensure strict rate limiting is applied to the /api/v1/chart/data endpoint to<br>reduce the impact of potential attacks.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1333", "description": "CWE-1333 Inefficient Regular Expression Complexity"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-07-30T16:09:24.026Z"}}}, "cveMetadata": {"cveId": "CVE-2026-23985", "state": "PUBLISHED", "dateUpdated": "2026-07-30T19:16:46.521Z", "dateReserved": "2026-01-19T17:23:00.841Z", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "datePublished": "2026-07-30T16:09:24.026Z", "assignerShortName": "apache"}, "dataVersion": "5.2"}

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The vulnerability is located in the sql_parse.py component, specifically within the SQL_REGEX used for parsing SQL statements in the sqlparse library integration.\nThe affected regular expression contains overlapping disjunctions that share a common outer quantifier. An authenticated attacker can exploit this by sending a maliciously crafted input string (specifically a long sequence of backslashes or similar characters) to endpoints that process SQL queries\n\nThis issue affects Apache Superset: before 6.0.0.\n\nUsers are recommended to upgrade to version 6.0.0, which fixes the issue.\u00a0\n\nWorkarounds:\n\u25cf WAF Rules: Implement Web Application Firewall (WAF) rules to detect and block\nrequests containing excessively long sequences of backslashes or suspicious repeated\npatterns in the queries.extras.where parameter.\n\u25cf Rate Limiting: Ensure strict rate limiting is applied to the /api/v1/chart/data endpoint to\nreduce the impact of potential attacks."}, {"lang": "es", "value": "Una vulnerabilidad de denegaci\u00f3n de servicio por expresiones regulares (ReDoS) existe en Apache Superset versiones 1.5.0 a 5.0.0. La vulnerabilidad se encuentra en el componente sql_parse.py, espec\u00edficamente dentro de la SQL_REGEX utilizada para analizar sentencias SQL en la integraci\u00f3n de la biblioteca sqlparse.\nLa expresi\u00f3n regular afectada contiene disyunciones superpuestas que comparten un cuantificador externo com\u00fan. Un atacante autenticado puede explotar esto enviando una cadena de entrada creada maliciosamente (espec\u00edficamente una secuencia larga de barras invertidas o caracteres similares) a los puntos finales que procesan consultas SQL.\n\nEste problema afecta a Apache Superset: antes de la versi\u00f3n 6.0.0.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 6.0.0, que corrige el problema.\n\nSoluciones provisionales:\n? Reglas de WAF: Implementar reglas de cortafuegos de aplicaciones web (WAF) para detectar y bloquear solicitudes que contengan secuencias excesivamente largas de barras invertidas o patrones repetidos sospechosos en el par\u00e1metro queries.extras.where.\n? Limitaci\u00f3n de Tasa: Asegurar que se aplique una limitaci\u00f3n de tasa estricta al punto final /api/v1/chart/data para reducir el impacto de posibles ataques."}], "id": "CVE-2026-23985", "lastModified": "2026-10-23T22:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "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": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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": "security@apache.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23985", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-30T19:16:28.690957Z", "version": "2.0.3"}}]}, "published": "2026-07-30T16:17:10.577", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/fdy7tx7glv90ypd7qnm1g1pt7nn336qx"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/07/30/7"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "security@apache.org", "type": "Secondary"}]}

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