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GHSA-7hfw-grcm-cqm6

Backstage: Incorrect authorization in scaffolder task listing

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-106461

Packages

EcosystemPackageAffectedFixed in
npm @backstage/plugin-scaffolder-backend < 4.1.0 4.1.0

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. ### Patches Patched in `@backstage/plugin-scaffolder-backend` version `4.1.0` ### Workarounds - Restrict the scaffolder task-list endpoint at the ingress or authenticating proxy to users who are permitted to view all tasks. - Avoid placing sensitive values in template input parameters until the patched package is deployed.

References

External links from the advisory. They lead to third-party sites.