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CVE PROGRAM SOURCE RECORD9.6 Critical

CVE-2026-106501

Backstage: Sensitive information exposure in Scaffolder

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
GitHub_M

Description

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 receive internal execution data. In deployments where that data contains credentials for an external service, this may permit disclosure and unauthorized changes in that external service. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

backstage backstage

  • < 1.49.6affected
  • >= 1.50.0-next.0, < 1.50.5affected
  • >= 1.51.0-next.0, < 1.54.6affected

@backstage plugin-scaffolder-backend

  • < 3.3.1affected
  • >= 3.4.0, < 3.4.1affected
  • >= 4.0.0, < 4.0.3affected
  • >= 4.0.4, < 4.1.0affected

References