CVE-2026-106495 — Backstage: Improper access control in backend action invocation
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action …
Published: 2026-10-12 · CVSS: 4.3 · CVSS 3.1
Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration. Existing action permissions and downstream authorization remain enforced. This issue is fixed in version 0.17.8.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7