CVE-2024-47762

Backstage is an open framework for building developer portals. Configuration supplied through APP_CONFIG_* environment variables, for example APP_CONFIG_backend_listen_port=7007, where unexpectedly ignoring the visibility defined in configuration schema. This occurred even if the configuration schema specified that they should have backend or secret visibility. This was an intended feature of the APP_CONFIG_* way of supplying configuration, but now clearly goes against the expected behavior of the configuration system. This behavior leads to a risk of potentially exposing sensitive configuration details intended to remain private or restricted to backend processes. The issue has been resolved in version 0.3.75 of the @backstage/plugin-app-backend package. As a temporary measure, avoid supplying secrets using the APP_CONFIG_ configuration pattern. Consider alternative methods for setting secrets, such as the environment substitution available for Backstage configuration.

• CWE-440

• https://github.com/backstage/backstage/commit/323e6129073c5cb4cc106a1239eaec31a129554f
• https://github.com/backstage/backstage/security/advisories/GHSA-qc4v-xq2m-65wc

Published

Oct 3, 2024

Last Modified

Jun 17, 2026

Status

Deferred

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