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GHSA-73jc-5mrq-prw7

SQLFluff: Uncontrolled Resource Consumption in SQLFluff Parser

Source: GitHub Advisory Database (reviewed) High CVE-2026-46374

Packages

EcosystemPackageAffectedFixed in
PyPI sqlfluff < 4.2.0 4.2.0

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact 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. ### Patches Versions 4.2.0 and up contain a configurable parse node limit, which is enabled by default, to prevent this manner of exploit. ### Credit Ori Nakar from Imperva Threat Research Team.

References

External links from the advisory. They lead to third-party sites.