CVE-2025-7783
CriticalPublished
Usage of unsafe random function in form-data for choosing boundary
- Published
- Jul 18, 2025
- Updated
- Nov 3, 2025
- Assigning CNA
- harborist
- Evidence observed
- Aug 5, 2026
Primary CVSS
9.4/ 10Critical
nvd · CVSS 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X1.8%
Low · next 30 days
- Percentile
- 76.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1POC of CVE-2025-7783
Responsible use
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