EUVD-2026-94057

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

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...

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-2026-106499 Backstage: Secret-derived values may be exposed in scaffolder task logs

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-2026-106499

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-2026-106499 Backstage: Secret-derived values may be exposed in scaffolder task logs

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-2026-106499

The Backstage framework, specifically the @backstage/plugin-scaffolder-backend package, is vulnerable in versions prior to 4.1.0 . The issue allows secret-derived values to be exposed in Scaffolder task logs when deployments configure sensitive scaffolder.defaultEnvironment.secrets and permit una...

CVE-2026-106499: Insertion of Sensitive Information into Log File

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...

PT-2026-107296

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 4.1.0 Description The @backstage/plugin-scaffolder-backend package may expose secret-derived values within Scaffolder task logs. This occurs in deployments where sensitive scaffolder.defaultEnvironment.secrets are...

CVE-2026-32237: Exposure of Sensitive Information to an Unauthorized Actor

Backstage is an open framework for building developer portals. Prior to 3.1.5, authenticated users with permission to execute scaffolder dry-runs can gain access to server-configured environment secrets through the dry-run API response. Secrets are properly redacted in log output but not in all...