{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:aria2_project:aria2:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.37.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "02f2d0d8472b3c38c29b4dba8c75ebd5fdd2899a"
            }
          ],
          "repo": "https://github.com/aria2/aria2",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "tenable",
    "cwe_ids": [
      "CWE-295"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8367.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "last_affected": "1.37.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.",
  "id": "CVE-2026-8367",
  "modified": "2026-08-21T03:30:39.148974291Z",
  "published": "2026-05-13T14:55:09.815Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/research/tra-2026-38"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8367.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8367"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "aria2c Improper Certificate Validation"
}