{"id":"CVE-2026-126812","summary":"blueprintUE Self-Hosted Edition before 4.3.7 Empty MariaDB Root Password via Docker Compose","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.","aliases":["GHSA-9f6r-vjc7-jq67"],"modified":"2026-11-14T02:30:36.242507087Z","published":"2026-11-11T20:53:12.974Z","database_specific":{"cwe_ids":["CWE-258"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126812.json","cna_assigner":"VulnCheck"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/blueprintue/blueprintue-self-hosted-edition","events":[{"introduced":"52325d2c93c2bc5a2ee2b7d2f1fa45d345e3d610"},{"fixed":"e6a6e1d4c2f22efbbabf9fb31ec479544405b469"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"1.0.0"},{"fixed":"4.3.7"}],"source":"AFFECTED_FIELD"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"e6a6e1d4c2f22efbbabf9fb31ec479544405b469"}]},{"range":[{"fixed":"e6a6e1d4c2f22efbbabf9fb31ec479544405b469"}],"source":"REFERENCES_TAG","original_tag":"v4.3.7"},{"source":"DESCRIPTION","range":[{"introduced":"0"},{"fixed":"4.3.7"}]}]}}],"versions":["v4.3.6","v4.3.5","v4.3.4","v4.3.3","v4.3.2","v4.3.1","v4.3.0","v4.2.0","v4.1.2","v4.1.1","v4.1.0","v4.0.0","v3.2.0","v3.1.0","v3.0.0","v2.1.0","v2.0.1","v2.0.0","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126812.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","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"}]}