Backstage

72 CVEs across 28 Backstage products. Browse Backstage vulnerabilities, severities, and proof-of-concept exploits.

Backstage products with known CVEs

ProductCVEs
Backstage68
Plugin-Scaffolder-Backend10
Plugin-Techdocs-Node8
Backend-Defaults3
Plugin-Kubernetes-Backend3
Plugin-Auth-Backend2
Plugin-Catalog-Backend2
Plugin-Proxy-Backend2
Plugin-Auth-Backend-Module-Cloudflare-Access-Provider1
Plugin-Auth-Backend-Module-Oidc-Provider1
Plugin-Auth-Node1
Plugin-Catalog-Backend-Module-Aws1
Plugin-Catalog-Backend-Module-Azure1
Plugin-Catalog-Backend-Module-Bitbucket-Server1
Plugin-Catalog-Backend-Module-Gitlab1
Plugin-Catalog-Backend-Module-Unprocessed1
Plugin-Catalog-Unprocessed-Entities1
Plugin-Catalog-Unprocessed-Entities-Common1
Plugin-Scaffolder-Backend-Module-Azure1
Plugin-Scaffolder-Backend-Module-Bitbucket-Cloud1
Plugin-Scaffolder-Backend-Module-Bitbucket-Server1
Plugin-Scaffolder-Backend-Module-Confluence-To-Markdown1
Plugin-Scaffolder-Backend-Module-Github1
Plugin-Scaffolder-Backend-Module-Gitlab1
Plugin-Scaffolder-Backend-Module-Sentry1
Plugin-Search-Backend1
Plugin-Search-Backend-Module-Elasticsearch1
Plugin-Techdocs-Backend1
Backstage CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-106495Medium4.32026-10-12Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control…
CVE-2026-106557High7.72026-10-07Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently val…
CVE-2026-106563Medium5.32026-10-07Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity…
CVE-2026-106562Medium4.32026-10-07Backstage is an open framework for building developer portals. Prior to 2.1.6 in @backstage/plugin-search-backend and 1.8.7 in @backstage/plugin-search-backend…
CVE-2026-106561Medium5.02026-10-07Backstage is an open framework for building developer portals. Prior to 0.21.9, the @backstage/plugin-kubernetes-backend package is affected by sensitive infor…
CVE-2026-106560High7.12026-10-07Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package…
CVE-2026-106559Medium6.32026-10-07Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package…
CVE-2026-106558High8.82026-10-07Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly valid…
CVE-2026-106556High7.72026-10-07Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by configuration bypass…
CVE-2026-106510High7.72026-10-07Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code executio…
CVE-2026-106509High7.72026-10-06Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by improper validation…
CVE-2026-106508Medium5.32026-10-06Backstage is an open framework for building developer portals. Prior to 1.15.4, the @backstage/plugin-techdocs-node package is affected by potential file expos…
CVE-2026-106507Medium5.32026-10-06Backstage is an open framework for building developer portals. Prior to 1.15.4, the @backstage/plugin-techdocs-node package is affected by techdocs arbitrary f…
CVE-2026-106506Medium5.32026-10-06Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input v…
CVE-2026-106505High7.72026-10-06Backstage 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…
CVE-2026-106504Medium6.52026-10-06Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by sensitive inform…
CVE-2026-106503High8.12026-10-06Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affe…
CVE-2026-106502Medium5.32026-10-06Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive informat…
CVE-2026-106501Critical9.62026-10-06Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affe…
CVE-2026-106500High8.52026-10-06Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affe…
CVE-2026-106499Medium4.92026-10-06Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose secret-derived val…
CVE-2026-106498High7.72026-10-06Backstage is an open framework for building developer portals. Prior to 3.5.1, 3.6.2, 3.7.2, 3.8.2 and 3.9.1, the @backstage/plugin-catalog-backend package is…
CVE-2026-106497Medium4.32026-10-06Backstage is an open framework for building developer portals. Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent catalo…
CVE-2026-106496Low3.12026-10-06Backstage is an open framework for building developer portals. Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent enforc…
CVE-2026-106494Medium4.42026-10-06Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper input validatio…
CVE-2026-106493Low3.02026-10-06Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A p…
CVE-2026-106492High7.62026-10-06Backstage is an open framework for building developer portals. Prior to 0.16.1 and 0.17.8, the @backstage/backend-defaults package is affected by improper pres…
CVE-2026-106491Medium6.42026-10-06Backstage is an open framework for building developer portals. Prior to 0.6.17, the @backstage/plugin-proxy-backend package is affected by improper input valid…
CVE-2026-106490Medium6.52026-10-06Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input val…
CVE-2026-106489Medium6.52026-10-06Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authoriza…
CVE-2026-106488High8.12026-10-06Backstage is an open framework for building developer portals. Prior to 0.4.20, the @backstage/plugin-auth-backend-module-oidc-provider package is affected by…
CVE-2026-106487Low3.52026-10-06Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported ca…
CVE-2026-106486High8.52026-10-06Backstage 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 @ba…
CVE-2026-106463Medium5.42026-10-06Backstage is an open framework for building developer portals. Prior to 0.8.7, the @backstage/plugin-catalog-backend-module-gitlab package is affected by impro…
CVE-2026-106462Medium6.42026-10-06Backstage is an open framework for building developer portals. Prior to 1.54.6, scaffolder source-control actions may not consistently enforce intended credent…
CVE-2026-106461Medium4.32026-10-06Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect author…
CVE-2026-106460Medium6.82026-10-06Backstage is an open framework for building developer portals. From 0.3.0 until 0.6.15 and 0.7.5, the @backstage/plugin-auth-node package did not consistently…
CVE-2026-106459High8.52026-10-06Backstage 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 affect…
CVE-2026-106458Medium6.52026-10-06Backstage is an open framework for building developer portals. From 0.4.0 until 0.5.15, the @backstage/plugin-catalog-backend-module-bitbucket-server package i…
CVE-2026-106457Medium6.82026-10-06Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider pac…
CVE-2026-106456Medium4.82026-10-06Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent…
CVE-2026-106455High7.72026-10-06Backstage is an open framework for building developer portals. From 0.11.12 until 1.14.7 and 1.15.5, the @backstage/plugin-techdocs-node package is affected by…
CVE-2026-88064High8.82026-09-16Backstage is an open framework for building developer portals. Prior to 1.14.6 and from 1.15.0 until 1.15.4, the @backstage/plugin-techdocs-node package insuff…
CVE-2026-73563Medium4.72026-08-13Backstage is an open framework for building developer portals. Prior to 0.29.2, the experimental dynamic client registration and client ID metadata document fe…
CVE-2026-44374Medium4.32026-05-14Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-mo…
CVE-2026-32237Medium4.42026-03-12Backstage is an open framework for building developer portals. Prior to 3.1.5, authenticated users with permission to execute scaffolder dry-runs can gain acce…
CVE-2026-32236High7.52026-03-12Backstage is an open framework for building developer portals. Prior to 0.27.1, a Server-Side Request Forgery (SSRF) vulnerability exists in @backstage/plugin-…
CVE-2026-32235Medium5.92026-03-12Backstage is an open framework for building developer portals. Prior to 0.27.1, the experimental OIDC provider in @backstage/plugin-auth-backend is vulnerable…
CVE-2026-29186High7.72026-03-07Backstage is an open framework for building developer portals. Prior to version 1.14.3, this is a configuration bypass vulnerability that enables arbitrary cod…
CVE-2026-29185Low2.72026-03-07Backstage is an open framework for building developer portals. Prior to version 1.20.1, a vulnerability in the SCM URL parsing used by Backstage integrations a…
CVE-2026-29184Low2.02026-03-07Backstage is an open framework for building developer portals. Prior to version 3.1.4, a malicious scaffolder template can bypass the log redaction mechanism t…
CVE-2026-25153High7.72026-01-30Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In ver…
CVE-2026-25152Medium5.32026-01-30Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In ver…
CVE-2026-24048Low3.52026-01-21Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Ba…
CVE-2026-24047Medium6.32026-01-21Backstage is an open framework for building developer portals, and @backstage/cli-common provides config loading functionality used by the backend and command…
CVE-2026-24046High7.12026-01-21Backstage is an open framework for building developer portals. Multiple Scaffolder actions and archive extraction utilities were vulnerable to symlink-based pa…
CVE-2025-55285Low2.62025-08-15@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. Prior to version 2.1.1, duplicate logging of the input values…
CVE-2025-32791Medium4.32025-04-16The Backstage Scaffolder plugin houses types and utilities for building scaffolder-related modules. A vulnerability in the Backstage permission plugin backend…
CVE-2024-53983Medium5.42024-11-29The Backstage Scaffolder plugin Houses types and utilities for building scaffolder-related modules. A vulnerability is identified in Backstage Scaffolder templ…
CVE-2024-47762Medium5.82024-10-03Backstage is an open framework for building developer portals. Configuration supplied through APP_CONFIG_* environment variables, for example APP_CONFIG_backen…
CVE-2024-46976Medium6.52024-09-17Backstage is an open framework for building developer portals. An attacker with control of the contents of the TechDocs storage buckets is able to inject execu…
CVE-2024-45816Medium6.52024-09-17Backstage is an open framework for building developer portals. When using the AWS S3 or GCS storage provider for TechDocs it is possible to access content in t…
CVE-2024-45815Medium6.52024-09-17Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plu…
CVE-2024-26150High8.72024-02-23`@backstage/backend-common` is a common functionality library for backends for Backstage, an open platform for building developer portals. In `@backstage/backe…
CVE-2023-35926High8.02023-06-22Backstage is an open platform for building developer portals. The Backstage scaffolder-backend plugin uses a templating library that requires sandbox, as it by…
CVE-2023-25571Medium6.82023-02-14Backstage 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…
CVE-2021-43783High8.52021-11-29@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. In affected versions a malicious actor with write access to a…
CVE-2021-43776High7.42021-11-26Backstage is an open platform for building developer portals. In affected versions the auth-backend plugin allows a malicious actor to trick another user into…
CVE-2021-41151Medium6.82021-10-18Backstage is an open platform for building developer portals. In affected versions A malicious actor could read sensitive files from the environment where Scaf…
CVE-2021-32662Medium6.52021-06-03Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In `@backstage/tech…
CVE-2021-32661Medium6.82021-06-03Backstage is an open platform for building developer portals. In versions of Backstage's Techdocs Plugin (`@backstage/plugin-techdocs`) prior to 0.9.5, a malic…
CVE-2021-32660Medium6.82021-06-03Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In versions of `@ba…