{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.2.0"
              },
              {
                "fixed": "0.3.2"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "da225c3fb5f18433b9fef900ecc8d0173423640c"
            },
            {
              "fixed": "3d29581401bff58e07bdbe551729ef24082134c5"
            },
            {
              "fixed": "2d3b221d113b452bc197012b185978b8314ee8a4"
            },
            {
              "fixed": "4355cdf5b043d5b9ef698f8f57860f77f8e92561"
            }
          ],
          "repo": "https://github.com/openhitls/openhitls",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57826.json"
  },
  "details": "An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored.",
  "id": "CVE-2026-57826",
  "modified": "2026-08-20T03:30:33.976923689Z",
  "published": "2026-08-18T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://gitcode.com/openHiTLS/openhitls/pull/1399"
    },
    {
      "type": "WEB",
      "url": "https://gitcode.com/openHiTLS/openhitls/pull/1657"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openHiTLS/openHiTLS/compare/openhitls-0.3.2...openhitls-0.3.3"
    },
    {
      "type": "WEB",
      "url": "https://www.openhitls.net/zh/support/HTLS-2026-001.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57826.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57826"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openHiTLS/openHiTLS/commit/2d3b221d113b452bc197012b185978b8314ee8a4"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openHiTLS/openHiTLS/commit/4355cdf5b043d5b9ef698f8f57860f77f8e92561"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}