CVE-2025-7783

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

At a glance

Severity
CRITICAL 9.4
EPSS
EPSS 1.81 % · percentile 78 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
harborist
NVD status
Deferred

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.

Scores

VersionScoreVectorScored by
CVSS 4.0CRITICAL 9.4CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:Nharborist
CVSS 4.0CRITICAL 9.4CVSS: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:XNVD · 7ffcee3d-2c14-4c3e-b844-86c6a321a158 (Secondary)

Weaknesses (CWE)

Advisories

European references

CERT-FR advisories

Affected products

ProductVersions
form-dataaffected < 2.5.4 ; affected 3.0.0 - 3.0.3 ; affected 4.0.0 - 4.0.3

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD