| Package | Affected versions | Patched versions |
|---|---|---|
| backstage | < 1.54.6 | 1.54.6 |
| backstage plugin-catalog-backend | < 3.9.1 | 3.9.1 |
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.
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