CVE-2026-106494

The Backstage framework, specifically the @backstage/backend-defaults package, is vulnerable to improper input validation in cloud storage URL readers prior to version 0.17.8 . An attacker with write access to a cloud storage bucket used by Backstage can craft object names that collide with prote...

CVE-2026-106494 Backstage: Improper input validation in cloud storage URL readers

Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper input validation in cloud storage url readers. An attacker with write access to a cloud storage bucket used by Backstage could craft object names that...

CVE-2026-106494 Backstage: Improper input validation in cloud storage URL readers

Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper input validation in cloud storage url readers. An attacker with write access to a cloud storage bucket used by Backstage could craft object names that...

CVE-2026-106493 Backstage: Cloud storage catalog locations may cross configured storage boundaries

Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A principal able to create or rename objects in a configured Azure Blob Storage or AWS S3 catalog source could cause catalog descriptors to b...

CVE-2026-106493 Backstage: Cloud storage catalog locations may cross configured storage boundaries

Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A principal able to create or rename objects in a configured Azure Blob Storage or AWS S3 catalog source could cause catalog descriptors to b...

CVE-2026-106491 Backstage: Improper input validation in proxy-backend

Backstage is an open framework for building developer portals. Prior to 0.6.17, the @backstage/plugin-proxy-backend package is affected by improper input validation in proxy-backend. An authenticated Backstage user could craft a request URL that causes the proxy-backend to forward the request to ...

CVE-2026-106491 Backstage: Improper input validation in proxy-backend

Backstage is an open framework for building developer portals. Prior to 0.6.17, the @backstage/plugin-proxy-backend package is affected by improper input validation in proxy-backend. An authenticated Backstage user could craft a request URL that causes the proxy-backend to forward the request to ...

CVE-2026-106491

The Backstage framework, an open framework for building developer portals, is vulnerable to improper input validation within the @backstage/plugin-proxy-backend package in versions prior to 0.6.17 . An authenticated user can craft a request URL that forces the proxy-backend to forward requests to...

CVE-2026-106491

Backstage is an open framework for building developer portals. Prior to 0.6.17, the @backstage/plugin-proxy-backend package is affected by improper input validation in proxy-backend. An authenticated Backstage user could craft a request URL that causes the proxy-backend to forward the request to ...

CVE-2026-106491 Backstage: Improper input validation in proxy-backend

Backstage is an open framework for building developer portals. Prior to 0.6.17, the @backstage/plugin-proxy-backend package is affected by improper input validation in proxy-backend. An authenticated Backstage user could craft a request URL that causes the proxy-backend to forward the request to ...

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-2026-106490 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-2026-106486 Backstage: Improper filesystem validation in Bitbucket pull-request scaffolder actions

Backstage is an open framework for building developer portals. Prior to 0.3.10 in @backstage/plugin-scaffolder-backend-module-bitbucket-cloud and 0.2.25 in @backstage/plugin-scaffolder-backend-module-bitbucket-server, the Bitbucket pull-request Scaffolder actions did not sufficiently validate...

CVE-2026-106486 Backstage: Improper filesystem validation in Bitbucket pull-request scaffolder actions

Backstage is an open framework for building developer portals. Prior to 0.3.10 in @backstage/plugin-scaffolder-backend-module-bitbucket-cloud and 0.2.25 in @backstage/plugin-scaffolder-backend-module-bitbucket-server, the Bitbucket pull-request Scaffolder actions did not sufficiently validate...

CVE-2026-106486

The Backstage framework contains a vulnerability in its Bitbucket pull-request Scaffolder actions due to improper filesystem path validation . Specifically, versions prior to 0.3.10 in @backstage/plugin-scaffolder-backend-module-bitbucket-cloud and 0.2.25 in @backstage/plugin-scaffolder-backend-m...

CVE-2026-106486 Backstage: Improper filesystem validation in Bitbucket pull-request scaffolder actions

Backstage is an open framework for building developer portals. Prior to 0.3.10 in @backstage/plugin-scaffolder-backend-module-bitbucket-cloud and 0.2.25 in @backstage/plugin-scaffolder-backend-module-bitbucket-server, the Bitbucket pull-request Scaffolder actions did not sufficiently validate...

CVE-2026-106459

The Backstage framework is affected by an improper input validation vulnerability in the @backstage/plugin-scaffolder-backend-module-sentry package, specifically within sentry scaffolder actions . Versions 0.3.0 through 0.3.8 are impacted. An authenticated internal user capable of executing these...

CVE-2026-106459 Backstage: Improper input validation in Sentry scaffolder actions

Backstage is an open framework for building developer portals. From 0.3.0 until 0.3.8, the @backstage/plugin-scaffolder-backend-module-sentry package is affected by improper input validation in sentry scaffolder actions. An authenticated internal user who can execute the affected actions may caus...