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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-106497

Backstage: Inconsistent catalog property permission evaluation

Description

Backstage is an open framework for building developer portals. Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent catalog property permission evaluation. In deployments that use affected value-based catalog permission conditions as a confidentiality boundary, an authenticated user could receive catalog entity data that policy authors intended to restrict. This issue is fixed in version 3.9.1.

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-catalog-backend

  • < 3.9.1affected

References