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CVE-2026-43947

CVE-2026-43947 · FUXA Vulnerable to Unauthenticated Remote Code Execution via Script Test Mode Authorization Bypass

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FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Version 1.3.0 has an unauthenticated Remote Code Execution vulnerability when `secureEnabled` is set to `true`. The `POST /api/runscript` endpoint checks authorization against the stored script's permission by ID, but when `test: true` is set in the request, it compiles and executes attacker-supplied code instead of the stored script's code. An unauthenticated attacker who knows a valid script ID and name may execute arbitrary code via test mode if at least one server-side script exists and is accessible without restrictive permissions. Script IDs and names can be obtained through the unauthenticated information disclosure in `GET /api/project` (reported separately). The only prerequisite is that at least one server-side script exists in the project. Version 1.3.1 fixes the issue.

CVSS 8.9 · Élevée · EPSS 0,9% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • fuxa

    Versions du logiciel
    • = 1.3.0: Concernée

    Aucun correctif publié

  • fuxa-server npm

    Versions du logiciel
    • 1.3.0
    Plages de versions concernées
    • SEMVER: ≥ 1.3.0, < 1.3.1

    Mettez à jour vers 1.3.1

Sources originales

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