CVE-2026-46374

HIGH

SQLFluff: Uncontrolled Resource Consumption in Parser

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0026
EPSS Percentile 17.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
pypi/sqlfluff 0 - 4.2.0PyPI
sqlfluff/sqlfluff < 4.2.0 (2 CPE variants)
Published Jun 09, 2026
Tracked Since Jun 10, 2026