CVE-2026-44374

Published: May 14, 2026Modified: Jun 17, 2026

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability: 2.8 / Impact: 1.4

Source: security-advisories@github.com (Secondary)

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 (3)

Products: Linuxfoundation: Backstage/plugin Catalog Backend Module Unprocessed, Backstage/plugin Catalog Unprocessed Entities, Backstage/plugin Catalog Unprocessed Entities Common

Linuxfoundation

3 products

Backstage/plugin Catalog Backend Module Unprocessed

Backstage/plugin Catalog Unprocessed Entities

Backstage/plugin Catalog Unprocessed Entities Common

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Linuxfoundation Backstage/plugin Catalog Backend Module Unprocessed	Before 0.6.11
Linuxfoundation Backstage/plugin Catalog Unprocessed Entities	Before 0.2.30
Linuxfoundation Backstage/plugin Catalog Unprocessed Entities Common	Before 0.0.15

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (1)

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

Source: security-advisories@github.com

MitigationVendor Advisory

Timeline

No history available yet.