GHSA-VWP5-F99X-X3RQ Backstage has improper input validation in scaffolder task list ordering

Impact An authenticated Backstage user with permission to create and read relevant scaffolder tasks may be able to infer confidential task data under specific conditions. Successful exploitation requires retained task secrets, visibility of a target task, knowledge of the secret structure, and...

EUVD-2026-94071

Backstage has improper input validation in scaffolder task list ordering...

EUVD-2026-94070

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

CVE-2026-106562

Backstage 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-module-elasticsearch, search engine permission filtering could return documents denied by policy. An authenticated Backstage user subject...

CVE-2026-106561

Backstage is an open framework for building developer portals. Prior to 0.21.9, the @backstage/plugin-kubernetes-backend package is affected by sensitive information disclosure in kubernetes resource queries. An authenticated user holding the standard Kubernetes resource read permission could...

CVE-2026-106560

Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper repository path validation in a scaffolder backend module. An authenticated user who can execute an affected...

CVE-2026-106559

Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper input validation in confluence to markdown scaffolder module. Insufficient input validation in the Confluence to...

CVE-2026-106563

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106563

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106563 Backstage: Improper entity validation in deprecated Kubernetes services endpoint

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106563 Backstage: Improper entity validation in deprecated Kubernetes services endpoint

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106563

The Backstage open framework is vulnerable in the @backstage/plugin-kubernetes-backend package (prior to version 0.21.8 ) due to improper entity validation within a deprecated Kubernetes services endpoint. An authenticated user with Kubernetes read permissions can exploit this by supplying crafte...

@backstage/plugin-kubernetes (>=0.0.0-nightly-202010102951, <=0.4.2), @devangelista/backstage-scaffolder-kubernetes (>=0.4.0, <=0.5.0) +3 more potentially affected by CVE-2026-106563 via @backstage/plugin-kubernetes-backend (>=0.1.3, <=0.20.4)

@backstage/plugin-kubernetes-backend NPM version =0.1.3, =0.0.0-nightly-202010102951, =0.4.0, =1.0.0, =1.1.0, =1.15.1, =2.9.1 Source cves: CVE-2026-106563 Source advisory: MEND:CVE-2026-106563...

EUVD-2026-94376

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106563 Backstage: Improper entity validation in deprecated Kubernetes services endpoint

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes...

CVE-2026-106562

Backstage 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-module-elasticsearch, search engine permission filtering could return documents denied by policy. An authenticated Backstage user subject...

CVE-2026-106562

The Backstage developer portal framework contains an incorrect authorization vulnerability in its search engine permission filtering. Specifically, in versions prior to 2.1.6 of @backstage/plugin-search-backend and 1.8.7 of @backstage/plugin-search-backend-module-elasticsearch, the system could r...

CVE-2026-106562 Backstage: Incorrect authorization in search engine permission filtering

Backstage 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-module-elasticsearch, search engine permission filtering could return documents denied by policy. An authenticated Backstage user subject...

CVE-2026-106562 Backstage: Incorrect authorization in search engine permission filtering

Backstage 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-module-elasticsearch, search engine permission filtering could return documents denied by policy. An authenticated Backstage user subject...

@red-hat-developer-hub/backstage-plugin-global-header (>=0.0.4, <=1.8.0) potentially affected by CVE-2026-106562 via @backstage/plugin-search-backend (1.8.2)

@backstage/plugin-search-backend NPM version 1.8.2 is affected by a known vulnerability. The following packages have a transitive dependency on @backstage/plugin-search-backend and may be impacted: - @red-hat-developer-hub/backstage-plugin-global-header =0.0.4, =1.8.0 Source cves: CVE-2026-106562...