CVE-2025-7783CWE-330

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

Critical · published July 18, 2025

CVSS v4.0
9.4
EPSS
2%
Percentile
78.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
EPSS
0.01810 · 78.4th percentile
Weakness
CWE-330 · Use of Insufficiently Random Values
Published
2025-07-18T16:34Z
EPSS history
Timeline
  • 18 JUL 16:34Z
    Usage of unsafe random function in form-data for choosing boundary
    cvelistv5