- 9.4CriticalCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
- https://github.com/form-data/form-data/security/advisories/GHSA-fjxv-7rqg-78g4 (opens in a new tab)third-party-advisoryexploit
Timeline
ID reserved
By harborist
Published
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| harboristCNA (assigner) | 4.0 | Critical9.4 | 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 |
| NVDNVD · Deferred | 4.0 | Critical9.4 | 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/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:X |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.4.
Affected products
form-data
- affected < 2.5.4
- affected 3.0.0 - 3.0.3
- affected 4.0.0 - 4.0.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmform-dataGHSA-fjxv-7rqg-78g4 (opens in a new tab)
References
References3
- https://github.com/form-data/form-data/security/advisories/GHSA-fjxv-7rqg-78g4 (opens in a new tab)third-party-advisoryexploit
- https://github.com/form-data/form-data/commit/3d1723080e6577a66f17f163ecd345a21d8d0fd0 (opens in a new tab)patch
- https://lists.debian.org/debian-lts-announce/2025/07/msg00023.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-21906 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fjxv-7rqg-78g4 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-7783)Record last updated .