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CVE-2026-96618

🗓️ 12 Oct 2026 15:29:19Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 25 Views🌐 WEB

Data amplification in hex allows untrusted mirrors to exhaust memory or disk.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
hexpmhexRange<2.5.2
[
  {
    "cpes": [
      "cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Hex.HTTP'",
      "'Elixir.Hex.SCM'",
      "'Elixir.Mix.Tasks.Hex.Docs'"
    ],
    "packageName": "hex",
    "packageURL": "pkg:otp/hex?repository_url=https:%2F%2Fgithub.com%2Fhexpm%2Fhex&vcs_url=repository_url=git%2Bhttps:%2F%2Fgithub.com%2Fhexpm%2Fhex.git",
    "product": "hex",
    "programFiles": [
      "lib/hex/http.ex",
      "lib/hex/scm.ex",
      "lib/mix/tasks/hex.docs.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Hex.HTTP':request/5"
      },
      {
        "name": "'Elixir.Hex.SCM':fetch/3"
      },
      {
        "name": "'Elixir.Hex.SCM':update/1"
      },
      {
        "name": "'Elixir.Mix.Tasks.Hex.Docs':run/1"
      }
    ],
    "repo": "https://github.com/hexpm/hex",
    "vendor": "hexpm",
    "versions": [
      {
        "lessThan": "2.5.2",
        "status": "affected",
        "version": "0.11.2",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:hexpm:hex:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Hex.HTTP'",
      "'Elixir.Hex.SCM'",
      "'Elixir.Mix.Tasks.Hex.Docs'"
    ],
    "packageName": "hexpm/hex",
    "packageURL": "pkg:github/hexpm/hex",
    "product": "hex",
    "programFiles": [
      "lib/hex/http.ex",
      "lib/hex/scm.ex",
      "lib/mix/tasks/hex.docs.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Hex.HTTP':request/5"
      },
      {
        "name": "'Elixir.Hex.SCM':fetch/3"
      },
      {
        "name": "'Elixir.Hex.SCM':update/1"
      },
      {
        "name": "'Elixir.Mix.Tasks.Hex.Docs':run/1"
      }
    ],
    "repo": "https://github.com/hexpm/hex",
    "vendor": "hexpm",
    "versions": [
      {
        "changes": [
          {
            "at": "bb5189eade682c5fc3f98d9725973a7beb4e1deb",
            "status": "unaffected"
          },
          {
            "at": "08956100a8283ba500a123e5539ac64d5d7e91d8",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "51ea632424fb6ea8765148f96dc25dfeb526b1f8",
        "versionType": "git"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
Content-Encodingrequest body/registryRegistry responses are decompressed before their signature is checked, allowing for memory/disk exhaustion via gzip compression.CWE-409, CWE-770
Content-Encodingrequest body/packagePackage responses are decompressed with no size limit before checksum verification, leading to data amplification.CWE-409, CWE-770
Content-Encodingrequest body/docsDocs responses are decompressed without size limits, allowing for memory/disk exhaustion.CWE-409, CWE-770
Content-Encodingrequest body/apiAPI responses are decompressed with no size limit, leading to data amplification.CWE-409, CWE-770

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16 Oct 2026 18:19Current
5.9Medium risk
Vulners AI Score5.9
CVSS 42.1
EPSS0.00358
SSVC
25