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CVE-2026-49756

🗓️ 08 Jun 2026 15:20:24Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 133 Views🌐 WEB

CRLF injection in Req multipart form-data allows smuggling via unescaped name, filename, or content_type.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
wojtekmachreqRange0.5.3–0.6.0
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:wojtekmach:req:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Req.Utils'"
    ],
    "packageName": "req",
    "packageURL": "pkg:hex/req",
    "product": "req",
    "programFiles": [
      "lib/req/utils.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Req.Utils':encode_form_part/2"
      }
    ],
    "repo": "https://github.com/wojtekmach/req",
    "vendor": "wojtekmach",
    "versions": [
      {
        "lessThan": "0.6.0",
        "status": "affected",
        "version": "0.5.3",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:wojtekmach:req:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Req.Utils'"
    ],
    "packageName": "wojtekmach/req",
    "packageURL": "pkg:github/wojtekmach/req",
    "product": "req",
    "programFiles": [
      "lib/req/utils.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Req.Utils':encode_form_part/2"
      }
    ],
    "repo": "https://github.com/wojtekmach/req.git",
    "vendor": "wojtekmach",
    "versions": [
      {
        "lessThan": "74506ff2c5addf74df85d79dc726e9b2e264a8ba",
        "status": "affected",
        "version": "60253dbe9436cb8e9c738f895032f2e87939b597",
        "versionType": "git"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
field_namequery param/?field_name=...CRLF injection in multipart form data via user-controlled field names, allowing header injection or part smuggling.CWE-93
filenamequery param/?filename=...CRLF injection in multipart form data via user-controlled filenames, allowing header injection or part smuggling.CWE-93
content_typequery param/?content_type=...CRLF injection in multipart form data via user-controlled content-type values, allowing header injection or part smuggling.CWE-93

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18 Aug 2026 19:15Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.7
CVSS 42.1
EPSS0.00207
SSVC
133