{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "mpp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-288",
      "CWE-294",
      "CWE-345"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-29T15:20:45Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "### Impact\nMultiple vulnerabilities were discovered which allowed for undesirable behaviors, including:\n- Performing free `tempo/charge` requests\n- Replaying existing `tempo/charge` requests\n- Performing free `tempo/session` requests\n- Piggybacking off existing `tempo/session` channels\n- Griefing existing `tempo/session` channels\n- Manipulate the fee payer of a `tempo/charge` or `tempo/session` handler into paying for requests\n- Replaying existing `stripe/charge` requests\n\n### Patches\nThe issues are patched in 0.8.0\n\n### Workarounds\nThere are no workarounds available for these vulnerabilities",
  "id": "GHSA-fxc9-7j2w-vx54",
  "modified": "2026-03-29T15:20:45Z",
  "published": "2026-03-29T15:20:45Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tempoxyz/mpp-rs/security/advisories/GHSA-fxc9-7j2w-vx54"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tempoxyz/mpp-rs"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tempoxyz/mpp-rs/releases/tag/v0.8.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "mpp has multiple payment bypass and griefing vulnerabilities"
}