{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.5.1"
              },
              {
                "introduced": "Ech0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "e51b87d75e3290e19ddd9a8cd315fad5c61c4996"
            }
          ],
          "repo": "https://github.com/lin-snow/ech0",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-hmmq-qh6g-6wgh"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79665.json"
  },
  "details": "Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket logs by sending authenticated session tokens to unprotected endpoints.",
  "id": "CVE-2026-79665",
  "modified": "2026-08-27T11:31:05.044563389Z",
  "published": "2026-08-25T11:33:28.065Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79665.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/lin-snow/Ech0/security/advisories/GHSA-hmmq-qh6g-6wgh"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-79665"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/ech0-before-authorization-bypass-via-session-tokens"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Ech0 before 4.5.1 Authorization Bypass via Session Tokens"
}