CVE-2025-53548

—

CVSS 3.1

7.5 high

EPSS

<1%p5

Published

Jul 9, 2025 (Jul 9, 2025)

Modified

Jun 17, 2026

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.

Weakness: CWE-345
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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