What’s Vulnerable › Vulnerabilities
CVE-2026-46374: SQLFluff: Uncontrolled Resource Consumption in Parser
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-09 · updated 2026-07-23
- Weakness: CWE-400
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.
Affected products
- sqlfluff: before 4.2.0 — fixed in 4.2.0
How to fix
Upgrade to a fixed version: sqlfluff 4.2.0. Check the vendor advisory for mitigations.
References
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