Critical severity9.8NVD Advisory· Published Nov 11, 2026
CVE-2026-126812
CVE-2026-126812
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
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <4.3.7
Patches
Vulnerability mechanics
References
7- github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/database.envnvd
- github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/docker-compose-smtp.ymlnvd
- github.com/blueprintue/blueprintue-self-hosted-edition/commit/e6a6e1d4c2f22efbbabf9fb31ec479544405b469nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/pull/270nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.7nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-9f6r-vjc7-jq67nvd
- www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.7-empty-mariadb-root-password-via-docker-composenvd
News mentions
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