# kysely (npm) vulnerabilities

4 known vulnerabilities (4 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 0.29.8 (Nov 1, 2026): no advisory affects it
- Newest unaffected release: 0.29.8 (Nov 1, 2026), the latest release
- Weekly downloads: 27.5M
- Dependents: 2,084
- Releases: 193 since 0.1.0 (Feb 18, 2021)
- Registry: https://www.npmjs.com/package/kysely
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-44635: 0.26.0 to 0.28.16 (0.28.17 is outside it)
- CVE-2026-33468: 0.1.0 to 0.28.13 (0.28.14 is outside it)
- CVE-2026-33442: 0.28.12 to 0.28.13 (0.28.14 is outside it)
- CVE-2026-32763: 0.26.0 to 0.28.11 (0.28.12 is outside it)

## Advisories (4)

### [CVE-2026-44635](https://cve.now/CVE-2026-44635): Kysely: JSON-path traversal injection via unsanitized path-leg metacharacters in \`JSONPathBuilder.key()\` / \`.at()\`

- Severity: High 7.5
- Published: May 27, 2026
- Affected: from 0.26.0, fixed in 0.28.17.
- Fixed in 0.28.17 (released May 3, 2026, 24 days before disclosure).
- The latest release, 0.29.8, is not affected.
- 8.7% of kysely downloads last week were affected versions (2.6M).

### [CVE-2026-33468](https://cve.now/CVE-2026-33468): Kysely has a MySQL SQL Injection via Insufficient Backslash Escaping in \`sql.lit(string)\` usage or similar methods that append string…

- Severity: High 8.1
- Published: Mar 26, 2026
- Affected: fixed in 0.28.14.
- Fixed in 0.28.14 (released Mar 20, 2026, 6 days before disclosure).
- The latest release, 0.29.8, is not affected.
- 7.6% of kysely downloads last week were affected versions (2.2M).

### [CVE-2026-33442](https://cve.now/CVE-2026-33442): Kysely has a MySQL SQL Injection via Backslash Escape Bypass in non-type-safe usage of JSON path keys.

- Severity: High 8.1
- Published: Mar 26, 2026
- Affected: from 0.28.12, fixed in 0.28.14.
- Fixed in 0.28.14 (released Mar 20, 2026, 6 days before disclosure).
- The latest release, 0.29.8, is not affected.
- 0.1% of kysely downloads last week were affected versions (35.1K).

### [CVE-2026-32763](https://cve.now/CVE-2026-32763): SQL Injection via unsanitized JSON path keys when ignoring/silencing compilation errors or using \`Kysely\<any\>\`.

- Severity: High 8.2
- Published: Mar 19, 2026
- Affected: from 0.26.0, fixed in 0.28.12.
- Fixed in 0.28.12 (released Mar 13, 2026, 6 days before disclosure).
- The latest release, 0.29.8, is not affected.
- 6.9% of kysely downloads last week were affected versions (2M).

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/npm/kysely
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.