Admidio before 5.0.12 SQL Injection via relation_type_list

{
  "id": "585afa68b28bfbdb8f68777563afffccd323d1c695a8cc8a93fe48d82249c1d9",
  "url": "https://osv.dev/vulnerability/CVE-2026-82655",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Admidio before 5.0.12 SQL Injection via relation_type_list",
    "summary": "Admidio before 5.0.12 contains a blind SQL injection vulnerability in the relation_type_list parameter of lists_show.php that allows unauthenticated attackers to execute arbitrary SQL queries. Attackers can bypass authentication by providing a dummy UUID in role_list and inject SQL through relation_type_list to extract database contents including password hashes and user credentials.",
    "evidence": "osv:CVE-2026-82655",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-82655",
      "aliases": [
        "CVE-2026-82655",
        "GHSA-p5cp-mhvx-w392"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/admidio/admidio",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "413bdaa219cb473f7db7f31c5f669955cba6795e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.0.12"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.0.12"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.0.10",
            "v5.0.9",
            "v5.0.8",
            "v5.0.7",
            "v5.0.6",
            "v5.0.5",
            "v5.0.4",
            "v34",
            "v5.0.3",
            "v5.0.2",
            "v5.0.1",
            "v5.0.0",
            "v5.0-Beta.3",
            "v5.0-Beta.2",
            "v5.0-Beta.1",
            "v4.3-Beta.1",
            "v4.1-Beta.2",
            "v4.0-Beta.1",
            "v3.2-Beta.1",
            "v3.1.5",
            "v3.0.6",
            "3.0-Beta.3",
            "3.0-Beta.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82655.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.438423402Z",
      "provider": "osv",
      "references": [
        "https://github.com/Admidio/admidio/security/advisories/GHSA-p5cp-mhvx-w392",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82655.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-82655",
        "https://www.vulncheck.com/advisories/admidio-before-5.0.12-sql-injection-via-relation-type-list"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-89"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82655.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-82655",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493895,
  "published_at": "2026-08-30T14:33:35.829+00:00"
}