High severity7.5OSV Advisory· Published Jul 9, 2025· Updated Apr 15, 2026
CVE-2025-53548
CVE-2025-53548
Description
Clerk helps developers build user management. Applications that use the verifyWebhook() helper to verify incoming Clerk webhooks are susceptible to accepting improperly signed webhook events. The issue was resolved in @clerk/backend 2.4.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@clerk/backendnpm | >= 2.0.0, < 2.4.0 | 2.4.0 |
@clerk/astronpm | >= 2.9.0, < 2.10.2 | 2.10.2 |
@clerk/expressnpm | >= 1.6.0, < 1.7.4 | 1.7.4 |
@clerk/fastifynpm | >= 2.3.0, < 2.4.4 | 2.4.4 |
@clerk/nextjsnpm | >= 6.2.10, < 6.23.3 | 6.23.3 |
@clerk/nuxtnpm | >= 1.7.0, < 1.7.5 | 1.7.5 |
@clerk/react-routernpm | >= 1.5.0, < 1.6.4 | 1.6.4 |
@clerk/remixnpm | >= 4.8.0, < 4.8.5 | 4.8.5 |
@clerk/tanstack-react-startnpm | >= 0.16.0, < 0.18.3 | 0.18.3 |
Affected products
10- Range: @clerk/backend-core@0.1.0, @clerk/backend-core@0.1.0-alpha.1, @clerk/backend-core@0.1.0-alpha.2, …
- ghsa-coords9 versionspkg:npm/%40clerk/astropkg:npm/%40clerk/backendpkg:npm/%40clerk/expresspkg:npm/%40clerk/fastifypkg:npm/%40clerk/nextjspkg:npm/%40clerk/nuxtpkg:npm/%40clerk/react-routerpkg:npm/%40clerk/remixpkg:npm/%40clerk/tanstack-react-start
>= 2.9.0, < 2.10.2+ 8 more
- (no CPE)range: >= 2.9.0, < 2.10.2
- (no CPE)range: >= 2.0.0, < 2.4.0
- (no CPE)range: >= 1.6.0, < 1.7.4
- (no CPE)range: >= 2.3.0, < 2.4.4
- (no CPE)range: >= 6.2.10, < 6.23.3
- (no CPE)range: >= 1.7.0, < 1.7.5
- (no CPE)range: >= 1.5.0, < 1.6.4
- (no CPE)range: >= 4.8.0, < 4.8.5
- (no CPE)range: >= 0.16.0, < 0.18.3
Patches
Vulnerability mechanics
References
3News mentions
0No linked articles in our index yet.