CVE-2026-57826

{
  "id": "CVE-2026-57826",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-18T20:17:19.193",
  "lastModified": "2026-11-09T20:10:00.200",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en openHiTLS 0.2.0 hasta 0.3.2. En la verificación de la cadena de certificados X.509, la extensión de restricciones básicas y el procesamiento de la bandera CA de las CA intermedias solo se verifican para certificados v3, y los certificados v1/v2 son ignorados."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-31T12:26:25.991291Z",
          "id": "CVE-2026-57826",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gitcode.com/openHiTLS/openhitls/pull/1399",
      "source": "[email protected]"
    },
    {
      "url": "https://gitcode.com/openHiTLS/openhitls/pull/1657",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/openHiTLS/openHiTLS/commit/2d3b221d113b452bc197012b185978b8314ee8a4",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/openHiTLS/openHiTLS/commit/4355cdf5b043d5b9ef698f8f57860f77f8e92561",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/openHiTLS/openHiTLS/compare/openhitls-0.3.2...openhitls-0.3.3",
      "source": "[email protected]"
    },
    {
      "url": "https://www.openhitls.net/zh/support/HTLS-2026-001.html",
      "source": "[email protected]"
    }
  ]
}