GHSA-73jc-5mrq-prw7: SQLFluff: Uncontrolled Resource Consumption in SQLFluff Parser
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.
Details
Original advisory: https://github.com/advisories/GHSA-73jc-5mrq-prw7
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-463740.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46374 | coverage & exploitation status | NVD · CVE.org |
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