{"id":"CVE-2026-59893","state":"PUBLISHED","title":"sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (Denial of Service)","description":"sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, SQL_REGEX in sqlparse/keywords.py and the per-position loop in sqlparse/lexer.py repeatedly scan unmatched dollar-quoted literal and multiline-comment delimiters, causing quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split(). This issue is fixed in version 0.6.0.","publishedAt":"2026-08-17T17:41:36.621Z","updatedAt":"2026-08-17T18:54:26.754Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["andialbrecht sqlparse"],"affected":[{"vendor":"andialbrecht","product":"sqlparse","versions":[{"version":"< 0.6.0","status":"affected"}]}],"references":["https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-prg7-hcfm-mfcr","https://github.com/andialbrecht/sqlparse/commit/d1d80602741f77ec78e5a04ce4719244cf32352e"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59893.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59893","state":"PUBLISHED","datePublished":"2026-08-17T17:41:36.621Z","dateUpdated":"2026-08-17T18:54:26.754Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-07T16:40:07.983Z"},"containers":{"cna":{"title":"sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (Denial of Service)","descriptions":[{"lang":"en","value":"sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, SQL_REGEX in sqlparse/keywords.py and the per-position loop in sqlparse/lexer.py repeatedly scan unmatched dollar-quoted literal and multiline-comment delimiters, causing quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split(). This issue is fixed in version 0.6.0."}],"affected":[{"vendor":"andialbrecht","product":"sqlparse","versions":[{"version":"< 0.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-prg7-hcfm-mfcr","name":"https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-prg7-hcfm-mfcr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/andialbrecht/sqlparse/commit/d1d80602741f77ec78e5a04ce4719244cf32352e","name":"https://github.com/andialbrecht/sqlparse/commit/d1d80602741f77ec78e5a04ce4719244cf32352e","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-17T17:41:36.621Z"},"source":{"advisory":"GHSA-prg7-hcfm-mfcr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-prg7-hcfm-mfcr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T18:54:17.365983Z","id":"CVE-2026-59893","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-17T18:54:26.754Z"}}]}}}