CVE-2026-44374

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
Product@backstage/plugin-catalog-unprocessed-entities-common
PublishedMay 14, 2026
First seenMay 14, 2026

How to fix

Update
  • @backstage/plugin-catalog-unprocessed-entities-common0.0.15 or later
  • linuxfoundation backstage\/plugin-catalog-backend-module-unprocessed0.6.11 or later
  • linuxfoundation backstage\/plugin-catalog-unprocessed-entities0.2.30 or later
  • linuxfoundation backstage\/plugin-catalog-unprocessed-entities-common0.0.15 or later
  • @backstage/plugin-catalog-unprocessed-entities0.2.30 or later
  • @backstage/plugin-catalog-backend-module-unprocessed0.6.11 or later

Affected products

ProductAffected versionsFixed in
@backstage/plugin-catalog-unprocessed-entities-commonnpmv < 0.0.150.0.15
linuxfoundation backstage\/plugin-catalog-backend-module-unprocessedv < 0.6.110.6.11
linuxfoundation backstage\/plugin-catalog-unprocessed-entitiesv < 0.2.300.2.30
linuxfoundation backstage\/plugin-catalog-unprocessed-entities-commonv < 0.0.150.0.15
@backstage/plugin-catalog-unprocessed-entitiesnpmv < 0.2.300.2.30
@backstage/plugin-catalog-backend-module-unprocessednpmv < 0.6.110.6.11

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