Severity:

HIGH RISK

(8.6)

Unauthenticated File Upload (CWE-434) in HeyForm API

CVE-2026-63429

Published:

Jul 20, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-306;CWE-434

Impact:

Abuse of hosting platform and potential malware distribution

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-306;CWE-434

Impact:

Abuse of hosting platform and potential malware distribution

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

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