{"id":"CVE-2026-126812","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-126812","summary":"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…","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.","published":"2026-11-11T21:16:45.690","modified":"2026-11-11T21:16:45.690","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/e6a6e1d4c2f22efbbabf9fb31ec479544405b469","label":"blueprintue/blueprintue-self-hosted-edition@e6a6e1d"},"references":[{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/database.env"},{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/docker-compose-smtp.yml#L14-L24"},{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/e6a6e1d4c2f22efbbabf9fb31ec479544405b469"},{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/270"},{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.7"},{"type":"WEB","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-9f6r-vjc7-jq67"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.7-empty-mariadb-root-password-via-docker-compose"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-11T21:16:45.690"}}