8.1Hoch

CVE-2026-106503Backstage: Scaffolder action input authorization bypass

backstage backstage; @backstage plugin-scaffolder-backend Veröffentlicht: (vor 1 Monat)

Beschreibung

Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by scaffolder action input authorization bypass. An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.

Schwachstellentyp (CWE): CWE-178CWE-284

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
backstage backstage < 1.49.6, >= 1.50.0-next.0, < 1.50.5, >= 1.51.0-next.0, < 1.54.6
@backstage plugin-scaffolder-backend < 3.3.1, >= 3.4.0, < 3.4.1, >= 4.0.0, < 4.0.3, >= 4.0.4, < 4.1.0
linuxfoundation backstage < 1.49.6
linuxfoundation backstage/plugin-scaffolder-backend < 3.3.1

Referenzen und Patches

CPE-Treffer (NVD) (7)

  • cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:*:*:* < 3.3.1
  • cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:*:*:* ≥ 3.4.0 < 3.4.1
  • cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:*:*:* ≥ 4.0.0 < 4.0.3
  • cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:*:*:* ≥ 4.0.4 < 4.1.0
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* < 1.49.6
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* ≥ 1.50.0 < 1.50.5
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* ≥ 1.51.0 < 1.54.6