# @clerk/nextjs (npm) vulnerabilities

4 known vulnerabilities (2 critical, 2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 3.6M
- Dependents: 12
- Registry: https://www.npmjs.com/package/@clerk/nextjs

## Advisories (4)

### [CVE-2026-42349](https://cve.now/CVE-2026-42349): Clerk: Authorization bypass when combining organization, billing, or reverification checks

- Severity: High 7.6
- Published: May 11, 2026
- Affected: from 6.0.0, fixed in 6.39.3; from 7.0.0, fixed in 7.2.4.

### [CVE-2026-41248](https://cve.now/CVE-2026-41248): Official Clerk JavaScript SDKs: Middleware-based route protection bypass

- Severity: Critical 9.1
- Published: Apr 24, 2026
- Affected: from 5.0.0, fixed in 5.7.6; from 6.0.0-snapshot.vb87a27f, fixed in 6.39.2; from 7.0.0, fixed in 7.2.1.

### [CVE-2025-53548](https://cve.now/CVE-2025-53548): @clerk/backend Performs Insufficient Verification of Data Authenticity

- Severity: High 7.5
- Published: Jul 9, 2025
- Affected: from 6.2.10, fixed in 6.23.3.

### [CVE-2024-22206](https://cve.now/CVE-2024-22206): @clerk/nextjs auth() and getAuth() methods vulnerable to insecure direct object reference (IDOR)

- Severity: Critical 9.1
- Published: Jan 12, 2024
- Affected: from 4.7.0, fixed in 4.29.3.

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