Description
Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.
Affected products
linuxfoundation: backstage\/plugin-catalog-backend-module-unprocessed; linuxfoundation: backstage\/plugin-catalog-unprocessed-entities; linuxfoundation: backstage\/plugin-catalog-unprocessed-entities-common
References1
- github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp… MitigationVendor Advisory
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 0% percentile: 6 · as of 14 November 2026
- CWE
- CWE-863
Could this be exploited in your environment?
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