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

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 o...

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

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 o...

@backstage/plugin-catalog-backend-module-unprocessed (>=0.0.0-nightly-20240321021124, <=0.6.10), @backstage/plugin-catalog-unprocessed-entities (>=0.0.0-nightly-20251203024610, <=0.2.29) potentially affected by CVE-2026-44374 via @backstage/plugin-catalog-unprocessed-entities-common (>=0.0.0-nightly-20241116023418, <=0.0.14-next.0)

@backstage/plugin-catalog-unprocessed-entities-common NPM version =0.0.0-nightly-20241116023418, =0.0.0-nightly-20240321021124, =0.0.0-nightly-20251203024610, =0.2.29 Source cves: CVE-2026-44374 Source advisory: OSV:GHSA-P7G9-RP3G-MGFG...

CVE-2024-53983 Server-side request forgery in Backstage Scaffolder plugin

The Backstage Scaffolder plugin Houses types and utilities for building scaffolder-related modules. A vulnerability is identified in Backstage Scaffolder template functionality where Server-Side Template Injection SSTI can be exploited to perform Git config injection. The vulnerability allows an...

CVE-2023-25571: Improper Neutralization of Encoded URI Schemes in a Web Page

Backstage is an open platform for building developer portals. @backstage/catalog-model prior to version 1.2.0, @backstage/core-components prior to 0.12.4, and @backstage/plugin-catalog-backend prior to 1.7.2 are affected by a cross-site scripting vulnerability. This vulnerability allows a malicio...

PT-2023-20170 · Unknown · @Backstage/Plugin-Catalog-Backend +2

Name of the Vulnerable Software and Affected Versions: @backstage/catalog-model versions prior to 1.2.0 @backstage/core-components versions prior to 0.12.4 @backstage/plugin-catalog-backend versions prior to 1.7.2 Description: This issue allows a malicious actor with access to add or modify conte...

Path Traversal in @backstage/plugin-scaffolder-backend

Impact A malicious actor could read sensitive files from the environment where Scaffolder tasks are run. The attack is executed by crafting a custom Scaffolder template with a publish:github:pull-request action using a particular source path. When the template is executed the sensitive files woul...

GHSA-PVV8-8FX9-H673 Path Traversal in @backstage/plugin-scaffolder-backend

Impact A malicious actor could read sensitive files from the environment where Scaffolder tasks are run. The attack is executed by crafting a custom Scaffolder template with a publish:github:pull-request action using a particular source path. When the template is executed the sensitive files woul...