CVE-2026-126812 blueprintUE Self-Hosted Edition before 4.3.7 Empty MariaDB Root Password via Docker Compose
CriticalCVSS 9.3
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| blueprintue/blueprintue-self-hosted-edition | >= 1.0.0, < 4.3.7 | 4.3.7 |
References
- GitHub Security Advisory (GHSA-9f6r-vjc7-jq67) vendor-advisory
- github.com patch
- github.com issue-tracking patch
- blueprintue-self-hosted-edition v4.3.7 Release Notes release-notes
- github.com technical-description
- github.com technical-description
- VulnCheck Advisory: blueprintUE Self-Hosted Edition before 4.3.7 Empty MariaDB Root Password via Docker Compose third-party-advisory