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Vulnerability record · CVE-2026-46374 · published 9 June 2026

CVE-2026-46374: Sqlfluff uncontrolled resource consumption vulnerability

Sqlfluff · Sqlfluff

SQLFluff is a modular SQL linter and auto-formatter with support for multiple dialects and templated code. Prior to version 4.2.0, in 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. This issue has been patched in version 4.2.0.

7.5 CVSS 3.1 High EPSS 0.46% · top 62.6% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

SQLFluff is a modular SQL linter and auto-formatter with support for multiple dialects and templated code. Prior to version 4.2.0, in 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. This issue has been patched in version 4.2.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-46374), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.