🔐 CVE Alert

CVE-2026-126812

CRITICAL 9.8

blueprintUE Self-Hosted Edition before 4.3.7 Empty MariaDB Root Password via Docker Compose

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-258
Vendor blueprintue
Product blueprintue-self-hosted-edition
Published Nov 11, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

blueprintue / blueprintue-self-hosted-edition
1.0.0 < 4.3.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗
github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-9f6r-vjc7-jq67 github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/e6a6e1d4c2f22efbbabf9fb31ec479544405b469 github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/270 github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.7 github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/database.env github.com: https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.6/docker-examples/docker-compose-smtp.yml#L14-L24 vulncheck.com: https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.7-empty-mariadb-root-password-via-docker-compose

Credits

Farhan Khan