Security advisory

{
  "id": "9ccf9a8a63ae26c0f8cfc9931b58bbcff625e63b3eba485edaf2eaa5c9f1645b",
  "url": "https://osv.dev/vulnerability/CVE-2024-26503",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-26503",
    "summary": "Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.",
    "evidence": "osv:CVE-2024-26503",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2024-26503",
      "aliases": [
        "CVE-2024-26503"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gunet/openeclass",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "aa967aed73ed839ea1c379134ed184f7630fed65"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openeclass:openeclass:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "Release_3.15",
            "Release_3.14.1",
            "Release_3.14",
            "Release_3.13.2",
            "Release_3.13.1",
            "Release_3.13",
            "Release_3.12.4",
            "Release_3.12.3",
            "Release_3.12.2",
            "Release_3.12.1",
            "Release_3.12",
            "Release_3.11.2",
            "Release_3.11.1",
            "Release_3.11",
            "Release_3.10.2",
            "Release_3.10.1",
            "Release_3.10",
            "Release_3.9.2",
            "Release_3.9.1",
            "Release_3.9",
            "Release_3.8.4",
            "Release_3.8.3",
            "Release_3.8.2",
            "Release_3.8.1",
            "Release_3.8",
            "Release_3.7.2",
            "Release_3.7.1",
            "Release_3.7",
            "Release_3.6.3",
            "Release_3.6.2",
            "Release_3.6.1",
            "Release_3.4.4",
            "Release_3.4.3",
            "Release_3.4.2",
            "Release_3.4.1",
            "Release_3.4",
            "Release_3.3.2",
            "Release_3.3.1",
            "Release_3.3",
            "Release_3.2.3",
            "Release_3.2.2",
            "Release_3.2.1",
            "Release_3.2",
            "Release_3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26503.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.155978038Z",
      "provider": "osv",
      "references": [
        "https://www.less-secure.com/2024/03/open-eclass-cve-2024-26503-unrestricted.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26503.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-26503"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26503.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-26503",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490729,
  "published_at": "2024-03-14T00:00:00+00:00"
}