CVE-2026-44374 — Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks

Description (CNA)

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 (CNA)

Vendor / product	Versions
@backstage / plugin-catalog-backend-module-unprocessed	affected < 0.6.11
@backstage / plugin-catalog-unprocessed-entities	affected < 0.2.30
@backstage / plugin-catalog-unprocessed-entities-common	affected < 0.0.15

CWE

CWE-863

References

https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.