CVE-2025-53548 – Clerk Webhook Signature Validation Bypass

CVE ID : CVE-2025-53548

Published : July 9, 2025, 6:15 p.m. | 1 hour, 51 minutes ago

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.

Severity: 7.5 | HIGH

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