CVE-2025-7783

CRITICAL9.4

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

Published Jul 18, 2025

Modified 2 months ago

No fix available

Details

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.

References

FIXhttps://github.com/form-data/form-data/commit/3d1723080e6577a66f17f163ecd345a21d8d0fd0 DETECTIONhttps://github.com/form-data/form-data/security/advisories/GHSA-fjxv-7rqg-78g4 WEBhttps://lists.debian.org/debian-lts-announce/2025/07/msg00023.html ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-7783

CVSS Analysis

CVSS v4.0

9.4

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

HighVI:H

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

HighSC:H

Subseq. Integrity

HighSI:H

Subseq. Availability

NoneSA:N

9.4/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

Weakness Type (CWE)

Cryptography

CWE-330

Insufficient Randomness

Ecosystems

Timeline

PublishedJul 18, 2025

ModifiedNov 3, 2025

CVE-2025-7783 | Mondoo Vulnerability Intelligence