{"id":"CVE-2026-46374","aliases":["GHSA-73jc-5mrq-prw7","PYSEC-2026-210"],"url":"https://o3.security/vulnerability/CVE-2026-46374","summary":"SQLFluff: Uncontrolled Resource Consumption in Parser","details":"### Impact\n\nIn deployments where untrusted users can provide SQL queries to be linted, an untrusted user can submit a malicious long query to any application using the parser to trigger a Denial of Service through resource exhaustion.\n\n### Patches\n\nVersions 4.2.0 and up contain a configurable parse node limit, which is enabled by default, to prevent this manner of exploit.\n\n### Credit\n\nOri Nakar from Imperva Threat Research Team.","published":"2026-06-09T22:40:40.265Z","modified":"2026-08-12T03:51:10.173104833Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00263,"percentile":0.18285,"asOf":"2026-08-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"sqlfluff","fixedVersion":"4.2.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46374.json"},{"type":"ADVISORY","url":"https://github.com/sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46374"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/sqlfluff/PYSEC-2026-210.yaml"},{"type":"PACKAGE","url":"https://github.com/sqlfluff/sqlfluff"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:10.173104833Z"}}