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CVE-2026-43969

🗓️ 11 May 2026 18:06:40Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

CVE-2026-43969: cow_cookie:cookie/1 allows CRLF injection in cookie header via unvalidated encoder, enabling smuggling.

Related
Detection
Affected
Refs
NVD
CNA
Node
nineninescowlibRange2.9.02.16.1
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ninenines:cowlib:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "cow_cookie"
    ],
    "packageName": "cowlib",
    "packageURL": "pkg:hex/cowlib",
    "product": "cowlib",
    "programFiles": [
      "src/cow_cookie.erl"
    ],
    "programRoutines": [
      {
        "name": "cow_cookie:cookie/1"
      }
    ],
    "repo": "https://github.com/ninenines/cowlib",
    "vendor": "ninenines",
    "versions": [
      {
        "status": "affected",
        "version": "2.9.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ninenines:cowlib:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "cow_cookie"
    ],
    "packageName": "ninenines/cowlib",
    "packageURL": "pkg:github/ninenines/cowlib",
    "product": "cowlib",
    "programFiles": [
      "src/cow_cookie.erl"
    ],
    "programRoutines": [
      {
        "name": "cow_cookie:cookie/1"
      }
    ],
    "repo": "https://github.com/ninenines/cowlib",
    "vendor": "ninenines",
    "versions": [
      {
        "status": "affected",
        "version": "f017f8a0ecbffd5033d9ab49bf180186f7a523a7",
        "versionType": "git"
      }
    ]
  }
]

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21 May 2026 13:57Current
6Medium risk
Vulners AI Score6
CVSS 3.13.2
CVSS 42.1
EPSS0.00022
SSVC
7