{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0.0"
                  },
                  {
                    "fixed": "4.3.7"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "e6a6e1d4c2f22efbbabf9fb31ec479544405b469"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "original_tag": "v4.3.7",
                "range": [
                  {
                    "fixed": "e6a6e1d4c2f22efbbabf9fb31ec479544405b469"
                  }
                ],
                "source": "REFERENCES_TAG"
              },
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "4.3.7"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          },
          "events": [
            {
              "introduced": "52325d2c93c2bc5a2ee2b7d2f1fa45d345e3d610"
            },
            {
              "fixed": "e6a6e1d4c2f22efbbabf9fb31ec479544405b469"
            }
          ],
          "repo": "https://github.com/blueprintue/blueprintue-self-hosted-edition",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-9f6r-vjc7-jq67"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-258"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126812.json"
  },
  "details": "blueprintUE Self-Hosted Edition before 4.3.7 contains an insecure default configuration in its Docker Compose examples that sets MYSQL_ALLOW_EMPTY_PASSWORD=yes in database.env and publishes MariaDB on port 3306. Unauthenticated attackers reaching the Docker host on port 3306 can log in as root without a password to read, modify, or delete user accounts, blueprints, and all databases.",
  "id": "CVE-2026-126812",
  "modified": "2026-11-14T02:30:36.242507087Z",
  "published": "2026-11-11T20:53:12.974Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126812.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-9f6r-vjc7-jq67"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126812"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.7-empty-mariadb-root-password-via-docker-compose"
    },
    {
      "type": "FIX",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/e6a6e1d4c2f22efbbabf9fb31ec479544405b469"
    },
    {
      "type": "FIX",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/270"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/database.env"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/docker-compose-smtp.yml#L14-L24"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "blueprintUE Self-Hosted Edition before 4.3.7 Empty MariaDB Root Password via Docker Compose"
}