CVE-2026-46374

FAUCET Score

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.

First published: Jun 9, 2026Last modified: Jun 9, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 4.2.0CPE matchmatch criteria	cpe:2.3:a:sqlfluff:sqlfluff::::::::

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.26%

Probability of exploitation in next 30 days

EPSS Percentile

18.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0026 is in the 3rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa

Product: sqlfluffFixed in: 4.2.0

github_advisoryvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

pipGHSA-73jc-5mrq-prw7high

SQLFluff: Uncontrolled Resource Consumption in SQLFluff Parser

May 19, 2026

References

github.com / sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7

Vendor Advisory