Critical security vulnerability found in nginx-ui tool in March 2026

On March 15, 2026, nginx-ui maintainers discovered critical vulnerability with empty access control list accepting all users.

Published 12sem1 sourceImportant

≈ 17sSpeed

The fact

Flaw allowed unauthorized access via tool's MCP endpoint.

Patch released to implement proper access control.

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Accès non autorisé potentiel aux serveurs nginx pour tous les utilisateurs avant le correctif

Auto-synthesis from 1 media source · identified on April 27, 2026