What is CVE-2026-33442?

CVE-2026-33442 is a high-severity vulnerability in Kysely-org Kysely, classified under SQL Injection. CVSS score: 8.1/10. Published 2026-03-26.

How severe is CVE-2026-33442?

High severity. CVSS v3 base score is 8.1 out of 10.

SQL Injection in Kysely-org Kysely

CVE-2026-33442

Kysely is a type-safe TypeScript SQL query builder. In versions 0.28.12 and 0.28.13, the `sanitizeStringLiteral` method in Kysely's query compiler escapes single quotes (`'` → `''`) but does not escape backslashes. On MySQL with the defaul…

Vulnerability class: SQL Injection

EPSS: 0.000 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Kysely-org Kysely — versions >= 0.28.12, < 0.28.14

Weakness classification (CWE)

CWE-89 — SQL Injection

References

https://github.com/kysely-org/kysely/security/advisories/GHSA-fr9j-6mvq-frcv (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33442?: CVE-2026-33442 is a high-severity vulnerability in Kysely-org Kysely, classified under SQL Injection. CVSS score: 8.1/10. Published 2026-03-26.
How severe is CVE-2026-33442?: High severity. CVSS v3 base score is 8.1 out of 10.