Paper/Archive/CVE-2025-7783

CVE-2025-7783

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

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 EPSS percentile 78.6.786 × 2015.7 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

form-data< 2.5.4–CNA

form-data3.0.0 - 3.0.3–CNA

form-data4.0.0 - 4.0.3–CNA

Scores by source

harborist (CNA)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

CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/form-data/form-data/security/advisories/GHSA-fjxv-7rqg-78g4 patchgithub.com/form-data/form-data/commit/3d1723080e6577a66f17f163ecd345a21d8d0fd0 reflists.debian.org/debian-lts-announce/2025/07/msg00023.html