CVE-2026-44374
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.
Published:May 14, 2026
Last Modified:Jun 1, 2026
EPS:May 14, 2026
EPSS Score:0.00028
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Backstage
Product
Plugin-catalog-backend-module-unprocessed
Backstage
Plugin-catalog-backend-module-unprocessed
Vendor
Backstage
Product
Plugin-catalog-unprocessed-entities
Backstage
Plugin-catalog-unprocessed-entities
Vendor
Backstage
Product
Plugin-catalog-unprocessed-entities-common
Backstage
Plugin-catalog-unprocessed-entities-common
Vendor
Linuxfoundation
Product
Backstage\/plugin-catalog-backend-module-unprocessed
Linuxfoundation
Backstage\/plugin-catalog-backend-module-unprocessed
Vendor
Linuxfoundation
Product
Backstage\/plugin-catalog-unprocessed-entities
Linuxfoundation
Backstage\/plugin-catalog-unprocessed-entities
Vendor
Linuxfoundation
Product
Backstage\/plugin-catalog-unprocessed-entities-common
Linuxfoundation
Backstage\/plugin-catalog-unprocessed-entities-common
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
