CVE-2026-46374
Published:June 09, 2026
Updated:June 11, 2026
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.
Affected Packages
sqlfluff (CONDA):
Affected version(s) >=0.6.8 <4.2.0Fix Suggestion:
Update to version 4.2.0sqlfluff (CONDA):
Affected version(s) >=0.6.8 <4.2.0Fix Suggestion:
Update to version 4.2.0https://github.com/sqlfluff/sqlfluff.git (GITHUB):
Affected version(s) >=untagged-0ddecca233f58d1186e1 <4.2.0Fix Suggestion:
Update to version 4.2.0sqlfluff (PYTHON):
Affected version(s) >=0.0.1 <4.2.0Fix Suggestion:
Update to version 4.2.0Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
EPSS
Base Score:
0.04