GHSA-XVGH-HMX8-9XXF Backstage: Improper task state validation in Scaffolder backend

Impact An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may...

EUVD-2026-94058

Backstage: Improper task state validation in Scaffolder backend...

Backstage: Improper task state validation in Scaffolder backend

Impact An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may...

CVE-2026-106500

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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks...

CVE-2026-106500

The Backstage framework, specifically the @backstage/plugin-scaffolder-backend package, is vulnerable to improper task state validation in its scaffolder backend. An authenticated user with permissions to create and access Scaffolder tasks may, under specific timing and deployment conditions, aff...

CVE-2026-106500

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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks...

CVE-2026-106500 Backstage: Improper task state validation in Scaffolder backend

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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks...

CVE-2026-106500 Backstage: Improper task state validation in Scaffolder backend

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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks...

CVE-2026-106500: Improper Link Resolution Before File Access

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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks...

PT-2026-107297

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 3.3.1 Backstage versions prior to 3.4.1 Backstage versions prior to 4.0.3 Backstage versions prior to 4.1.0 Description The @backstage/plugin-scaffolder-backend package contains improper task state validation within...