EUVD-2026-94372

Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper input validation in confluence to markdown scaffolder module. Insufficient input validation in the Confluence to...

CVE-2026-106501

A flaw was found in @backstage/plugin-scaffolder-backend. An authenticated user with permission to view another user's Scaffolder task can retrieve internal task execution data, leading to sensitive information disclosure. If this execution data contains credentials for external services, an...

CVE-2026-106500

A flaw was found in @backstage/plugin-scaffolder-backend. Due to improper task state validation, an authenticated user with permissions to create and access Scaffolder tasks can affect files accessible to the Backstage backend under specific timing and deployment conditions. If the backend...

CVE-2026-106501

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 sensitive information exposure in scaffolder. An authenticated Backstage user who can read another user's Scaffolder task may...

CVE-2026-106506

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks m...

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-2026-106504

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by sensitive information exposure in scaffolder task logs. An authenticated user who can create and read scaffolder tasks may be able to observe sensitive...

CVE-2026-106502

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive information in Scaffolder task failure events. Under specific template and failure conditions, an authenticated user may retrieve backend-managed...

CVE-2026-106503

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...

CVE-2026-106499

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose secret-derived values in Scaffolder task logs. Deployments that configure sensitive scaffolder.defaultEnvironment.secrets and allow an attacker to create or...

CVE-2026-106506 Backstage: Improper input validation in scaffolder task list ordering

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks m...

CVE-2026-106506

The Backstage framework is vulnerable to improper input validation within the @backstage/plugin-scaffolder-backend package in versions prior to 4.1.0 . This flaw exists in the scaffolder task list ordering functionality, potentially allowing an authenticated user with permissions to create and re...

CVE-2026-106506 Backstage: Improper input validation in scaffolder task list ordering

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks m...

CVE-2026-106506 Backstage: Improper input validation in scaffolder task list ordering

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks m...

CVE-2026-106504 Backstage: Sensitive information exposure in scaffolder task logs

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by sensitive information exposure in scaffolder task logs. An authenticated user who can create and read scaffolder tasks may be able to observe sensitive...

CVE-2026-106504 Backstage: Sensitive information exposure in scaffolder task logs

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by sensitive information exposure in scaffolder task logs. An authenticated user who can create and read scaffolder tasks may be able to observe sensitive...

CVE-2026-106504

The Backstage framework is vulnerable in the @backstage/plugin-scaffolder-backend package prior to version 4.1.0 . The root cause is sensitive information exposure within scaffolder task logs. An authenticated user capable of creating and reading tasks can observe sensitive values if a deployment...

CVE-2026-106504 Backstage: Sensitive information exposure in scaffolder task logs

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by sensitive information exposure in scaffolder task logs. An authenticated user who can create and read scaffolder tasks may be able to observe sensitive...

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

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...

CVE-2026-106503

The Backstage framework's @backstage/plugin-scaffolder-backend package is vulnerable to a scaffolder action input authorization bypass in versions prior to 3.3.1, 3.4.1, 4.0.3, and 4.1.0. An authenticated user with access to affected Scaffolder templates can bypass configured action restrictions....