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HIGH7.5

PYSEC-2026-210

Quick fix

PYSEC-2026-210 — sqlfluff: upgrade to the fixed version with the command below.

pip install --upgrade 'sqlfluff>=4.2.0'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/sqlfluff
Introduced in: 0Fixed in: 4.2.0
Fixpip install --upgrade 'sqlfluff>=4.2.0'

References