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CVE-2026-106494Backstage: Improper input validation in cloud storage URL readers

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

Beschreibung

Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper input validation in cloud storage url readers. An attacker with write access to a cloud storage bucket used by Backstage could craft object names that could collide with protected files in the output directory. In certain deployment configurations, this could lead to content injection. This issue is fixed in version 0.17.8.

Schwachstellentyp (CWE): CWE-22CWE-73

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

Betroffene Produkte und Versionen

HerstellerProduktVersionen
@backstage backend-defaults < 0.17.8
backstage backstage < 1.54.6
linuxfoundation backstage < 1.54.6
linuxfoundation backstage/backend defaults < 0.17.8

Referenzen und Patches

CPE-Treffer (NVD) (2)
  • cpe:2.3:a:linuxfoundation:backstage\/backend_defaults:*:*:*:*:*:node.js:*:* < 0.17.8
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* < 1.54.6