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CVE-2025-53548

| EUVDEUVD-2025-20865 HIGH
Insufficient Verification of Data Authenticity (CWE-345)
2025-07-09 security-advisories@github.com GHSA-9mp4-77wg-rwx9
Information Disclosure
7.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 16, 2026 - 06:20 euvd
EUVD-2025-20865
Analysis Generated
Mar 16, 2026 - 06:20 vuln.today
CVE Published
Jul 09, 2025 - 18:15 nvd
HIGH 7.5

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 1 npm packages depend on @clerk/backend (1 direct, 0 indirect)
  • 1 npm packages depend on @clerk/express (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 2.0.0 and other introduced versions.

DescriptionGitHub Advisory

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.

AnalysisAI

CVE-2025-53548 is a security vulnerability (CVSS 7.5). High severity vulnerability requiring prompt remediation.

Technical ContextAI

Vulnerability type not specified by vendor. CVSS 7.5 indicates high severity.

RemediationAI

Monitor vendor channels for patch availability.

Same weakness CWE-345 – Insufficient Verification of Data Authenticity

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CVE-2025-53548 vulnerability details – vuln.today
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