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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-106506

Backstage: Improper input validation in scaffolder task list ordering

Description

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 may be able to infer confidential task data under specific conditions. Successful exploitation requires retained task secrets, visibility of a target task, knowledge of the secret structure, and repeated requests. This issue is fixed in version 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

  • < 1.54.6affected

@backstage plugin-scaffolder-backend

  • < 4.1.0affected

References