CVE-2026-46374: SQLFluff: Uncontrolled Resource Consumption in SQLFluff Parser

May 19, 2026 (updated July 6, 2026)

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.

References

github.com/advisories/GHSA-73jc-5mrq-prw7
github.com/pypa/advisory-database/tree/main/vulns/sqlfluff/PYSEC-2026-210.yaml
github.com/sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7
nvd.nist.gov/vuln/detail/CVE-2026-46374

Code Behaviors & Features

Detect and mitigate CVE-2026-46374 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →