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

May 19, 2026 (updated June 10, 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/sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7
nvd.nist.gov/vuln/detail/CVE-2026-46374

Code Behaviors & Features

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