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CVE-2026-59695 Unbounded max_fee_per_gas in mpp Tempo fee-payer enables single-request wallet drain

🗓️ 17 Jul 2026 10:11:43Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Unauthenticated clients drain the fee-payer wallet via oversized gas fields in a signed envelope in mpp Tempo.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ZenHive:mpp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.MPP.Tempo.Transaction'"
    ],
    "packageName": "mpp",
    "packageURL": "pkg:hex/mpp",
    "product": "mpp",
    "programFiles": [
      "lib/mpp/tempo/transaction.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.MPP.Tempo.Transaction':cosign_fee_payer/3"
      }
    ],
    "repo": "https://github.com/ZenHive/mpp",
    "vendor": "ZenHive",
    "versions": [
      {
        "lessThan": "0.6.0",
        "status": "affected",
        "version": "0.2.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ZenHive:mpp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.MPP.Tempo.Transaction'"
    ],
    "packageName": "ZenHive/mpp",
    "packageURL": "pkg:github/ZenHive/mpp",
    "product": "mpp",
    "programFiles": [
      "lib/mpp/tempo/transaction.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.MPP.Tempo.Transaction':cosign_fee_payer/3"
      }
    ],
    "repo": "https://github.com/ZenHive/mpp",
    "vendor": "ZenHive",
    "versions": [
      {
        "lessThan": "5d6338e2334084c5f2a78cfcca474830733ed7e8",
        "status": "affected",
        "version": "d29d54e507918db00a5b65d90136b73166c017d7",
        "versionType": "git"
      }
    ]
  }
]

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