CVE-2025-7783 - CVE House
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Status published Critical CVE-2025-7783

Usage of unsafe random function in form-data for choosing boundary

Vulnerability Description

Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • https://github.com/benweissmann
  • https://github.com/benweissmann
  • https://github.com/ljharb

References

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Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
< 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3

Timeline

Official Publish: July 18th, 2025
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-330

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.