GHSA-RG9R-HR7G-5GC2 Backstage: Improper authorization enforcement for TechDocs static content

Impact An authenticated user with access to one TechDocs documentation site could craft a URL able to read documentation belonging to a different entity. This only affects deployments using the external TechDocs builder with an external storage provider S3, GCS, etc. and the permission framework...

EUVD-2026-94008

Backstage: Improper authorization enforcement for TechDocs static content...

GHSA-7MFX-XG57-53C9 Backstage: Improper input validation in TechDocs static content requests

Impact When using the Azure Blob Storage provider, an authenticated Backstage user may be able to read restricted TechDocs content when entity-level permissions are enabled. Deployments that intentionally disable the default backend authentication policy may have broader exposure. Patches Patched...

EUVD-2026-94009

Backstage: Improper input validation in TechDocs static content requests...

EUVD-2026-94070

Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend...

CVE-2026-106505

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can...

CVE-2026-106505 Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can...

CVE-2026-106505

The @backstage/plugin-techdocs-node package in the Backstage framework is vulnerable to a bypass of the MkDocs configuration sanitizer in the TechDocs backend. Affected versions are those prior to 1.14.6 and 1.15.4 . An attacker with permissions to commit changes to a repository using TechDocs ca...

CVE-2026-106505 Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can...

CVE-2026-106489

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authorization enforcement for techdocs static content. An authenticated user with access to one TechDocs documentation site could craft a URL able ...

CVE-2026-106490

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to re...

CVE-2026-106490 Backstage: Improper input validation in TechDocs static content requests

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to re...

CVE-2026-106490

The Backstage framework is vulnerable to an improper input validation flaw in the @backstage/plugin-techdocs-backend package prior to version 2.2.4 . When utilizing the Azure Blob Storage provider , an authenticated user may be able to access restricted TechDocs content if entity-level permission...

CVE-2026-106490 Backstage: Improper input validation in TechDocs static content requests

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to re...

CVE-2026-106490 Backstage: Improper input validation in TechDocs static content requests

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to re...

CVE-2026-106489 Backstage: Improper authorization enforcement for TechDocs static content

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authorization enforcement for techdocs static content. An authenticated user with access to one TechDocs documentation site could craft a URL able ...

CVE-2026-106489

The Backstage framework is vulnerable in the @backstage/plugin-techdocs-backend package prior to version 2.2.4 due to improper authorization enforcement for TechDocs static content. An authenticated user with access to one documentation site can craft a URL to read documentation belonging to a di...

CVE-2026-106489 Backstage: Improper authorization enforcement for TechDocs static content

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authorization enforcement for techdocs static content. An authenticated user with access to one TechDocs documentation site could craft a URL able ...

CVE-2026-106489 Backstage: Improper authorization enforcement for TechDocs static content

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authorization enforcement for techdocs static content. An authenticated user with access to one TechDocs documentation site could craft a URL able ...

PT-2026-107302

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.14.6 Backstage versions prior to 1.15.4 Description The @backstage/plugin-techdocs-node package contains a flaw in the techdocs backend that allows a bypass of the mkdocs configuration sanitizer. Users capable of...