7.6
Élevée
CVE-2026-106492 Backstage is an open framework for building developer portals
Description
Backstage is an open framework for building developer portals. Prior to 0.16.1 and 0.17.8, the @backstage/backend-defaults package is affected by improper preservation of access restrictions during service credential delegation. An external service credential configured with access restrictions (e.g., read-only) could bypass those restrictions by routing requests through plugin delegation paths. This could allow a restricted service to perform operations beyond its intended scope, including write operations on plugins it was restricted to read-only access for. This issue is fixed in versions 0.16.1 and 0.17.8.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| backstage 1.50 | 1.50.0-next.0 → < 1.54.6 | 1.54.6 |
| backstage 1.49 | premières → < 1.49.6 | 1.49.6 |
| backend-defaults 0.17 | 0.17.0 → < 0.17.8 | 0.17.8 |
| backend-defaults 0.16 | premières → < 0.16.1 | 0.16.1 |
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