CVE-2026-46374
CVE-2026-46374 is a high-severity vulnerability in Sqlfluff with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35855
- Weakness: CWE-400
- Affected product: Sqlfluff
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-46374?
- 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.
- How severe is CVE-2026-46374?
- CVE-2026-46374 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-46374 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-46374?
- CVE-2026-46374 affects Sqlfluff. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-46374?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-46374 have an EU (EUVD) identifier?
- Yes. CVE-2026-46374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35855.
- When was CVE-2026-46374 published?
- CVE-2026-46374 was published on 2026-06-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sqlfluff:sqlfluff:*:*:*:*:*:*:*:*
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