Feed/CVE-2026-46373
CVE-2026-46373HIGHCVSS 7.5

SQLFluff: Recursive Stack Overflow in Parser

Published May 19, 2026·Updated Jul 6, 2026

NVD Description

### Impact 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. ### Patches Versions 4.1.0 and up contain a configurable recursion limit, which is enabled by default, to prevent this manner of exploit. ### Credit Ori Nakar from Imperva Threat Research Team.

Affected Packages (1)

sqlfluffPYPI
Fixed in 4.1.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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