High severity7.5GHSA Advisory· Published Jun 9, 2026· Updated Jun 12, 2026
CVE-2026-46373
CVE-2026-46373
Description
SQLFluff is a modular SQL linter and auto-formatter with support for multiple dialects and templated code. Prior to version 4.1.0, in deployments where untrusted users can provide SQL queries to be linted, an untrusted user can submit a malicious query with deliberate excessive nesting to any application using the parser to trigger a Denial of Service through resource exhaustion. This issue has been patched in version 4.1.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
sqlfluffPyPI | < 4.1.0 | 4.1.0 |
Affected products
1- Range: < 4.1.0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-wmhf-fqc8-vxhhghsaADVISORY
- github.com/sqlfluff/sqlfluff/security/advisories/GHSA-wmhf-fqc8-vxhhnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-46373ghsaADVISORY
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