CVE-2025-53548 – Clerk Webhook Signature Validation Bypass

The following table lists the changes that have been made to the
CVE-2025-53548 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 09, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Added CWE CWE-345
    Added Reference https://github.com/clerk/javascript/security/advisories/GHSA-9mp4-77wg-rwx9
Share the Post:

Related Posts