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CVE-2026-12143 form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)

🗓️ 12 Jun 2026 18:01:30Reported by harboristType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-12143: form-data does not escape CRLF and quotes in field names or filenames, enabling injection.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-12143 vulnerabilities
17 Jun 202608:56
cgr
Circl
CVE-2026-12143
12 Jun 202618:00
circl
CVE
CVE-2026-12143
12 Jun 202618:01
cve
Debian CVE
CVE-2026-12143
12 Jun 202618:01
debiancve
EUVD
EUVD-2026-36524
15 Jun 202617:26
euvd
Github Security Blog
form-data: CRLF injection in form-data via unescaped multipart field names and filenames
15 Jun 202617:26
github
NVD
CVE-2026-12143
12 Jun 202619:16
nvd
OSV
CGA-W9W3-8PQX-4PHP
17 Jun 202607:15
osv
OSV
DEBIAN-CVE-2026-12143
12 Jun 202619:16
osv
OSV
GHSA-HMW2-7CC7-3QXX form-data: CRLF injection in form-data via unescaped multipart field names and filenames
15 Jun 202617:26
osv
Rows per page
[
  {
    "vendor": "form-data",
    "product": "form-data",
    "collectionURL": "https://www.npmjs.com/package/form-data",
    "packageName": "form-data",
    "repo": "https://github.com/form-data/form-data",
    "programFiles": [
      "lib/form_data.js"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.5.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "3.0.5",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.6",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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12 Jun 2026 18:01Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00409
29