CVE-2026-106506

A flaw was found in plugin-scaffolder-backend. This vulnerability allows an authenticated user with permission to create and view tasks to access confidential task secrets, resulting in information disclosure. Due to improper input validation in task list ordering, an attacker can submit repeated...

GHSA-G734-FHP4-7MFP Backstage: Improper input validation in Sentry scaffolder actions

Impact An authenticated internal user who can execute the affected actions may cause the backend to contact unintended destinations and disclose Sentry integration credentials. Subsequent impact depends on network reachability and the privileges granted to the configured token. Patches Upgrade...

EUVD-2026-93993

Backstage: Improper input validation in Sentry scaffolder actions...

GHSA-2CMG-V53W-8XFP Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

Backstage: Improper repository path validation in a Scaffolder backend module

Impact An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. Patches Patched in...

EUVD-2026-94003

Backstage has iImproper filesystem validation in Bitbucket pull-request scaffolder actions...

EUVD-2026-94059

Backstage: Sensitive information exposure in Scaffolder...

EUVD-2026-94057

Backstage: Secret-derived values may be exposed in scaffolder task logs...

GHSA-MFVQ-X7VR-RGQG Backstage: Secret-derived values may be exposed in scaffolder task logs

Impact Deployments that configure sensitive scaffolder.defaultEnvironment.secrets and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to...

GHSA-HMP2-4M7G-22CV Backstage: Scaffolder action input authorization bypass

Impact 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. Patches Patched in...

Backstage: Scaffolder action input authorization bypass

Impact 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. Patches Patched in...

EUVD-2026-94068

Backstage: Scaffolder action input authorization bypass...

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...

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-2026-93996

Backstage: Incorrect authorization in scaffolder task listing...

Backstage: Incorrect authorization in scaffolder task listing

Impact An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. Patches Patched in...

CVE-2026-106502

A flaw was found in the Backstage plugin-scaffolder-backend component. Under specific template and failure conditions, Scaffolder task failure events can expose sensitive backend-managed credentials. An authenticated user can exploit this vulnerability to retrieve credentials used during task...

CVE-2026-106504

A flaw was found in plugin-scaffolder-backend. An authenticated user with permissions to create and read scaffolder tasks can observe sensitive values in task logs when an execution step is denied by action permissions. This flaw allows an attacker to access sensitive input data, resulting in...

CVE-2026-106461

A flaw was found in plugin-scaffolder-backend. An improper authorization flaw allows an authenticated user to view task metadata outside their intended permissions, resulting in unauthorized information disclosure. This vulnerability occurs during scaffolder task listing when deployment permissio...