{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.8.0"
              },
              {
                "last_affected": "0.14.3"
              },
              {
                "fixed": "0.14.3"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0496a12dc4fe7609565e8b268c85b6d4d6deb567"
            },
            {
              "fixed": "6a06aca546a8fd3b7beb040f39761b364893198d"
            }
          ],
          "repo": "https://github.com/punkpeye/mcp-remote",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-319"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108716.json"
  },
  "details": "mcp-remote 0.8.0 through 0.14.3 contains a cleartext transmission vulnerability in authorizeWithDeviceCode that sends client secrets and receives tokens without enforcing HTTPS endpoints. When discovered device authorization and token endpoints are non-loopback http URLs, on-path network attackers can capture the client secret plus issued access and refresh tokens.",
  "id": "CVE-2026-108716",
  "modified": "2026-10-14T02:30:42.704801492Z",
  "published": "2026-10-11T12:19:28.640Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108716.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind03/punkpeye-mcp-remote-device-code-cleartext-oauth-transport"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108716"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/mcp-remote-0.8.0-through-0.14.3-cleartext-credential-transmission-via-device-code-oauth-grant"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/punkpeye/mcp-remote"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/client-credentials.ts#L37-L47"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/device-authorization.ts#L64-L170"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "mcp-remote 0.8.0 through 0.14.3 Cleartext Credential Transmission via --device-code OAuth Grant"
}