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4 CVE

  1. CVE-2026-106495 4.3 Moyenne

    backstage · @backstage backend-defaults

    Backstage is an open framework for building developer portals. Prior to 0.17.8, the @backstage/backend-defaults package is affected by improper access control in backend action invocation. An authenticated user could invoke actions that an operator had excluded through action configuration. Existing action permissions and downstream authorization remain enforced. This issue is fixed in version 0.17.8.

  2. CVE-2026-106494 4.9 Moyenne

    backstage · @backstage backend-defaults · Linuxfoundation backstage\/backend defaults · Linuxfoundation backstage

    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 could collide with protected files in the output directory. In certain deployment configurations, this could lead to content injection. This issue is fixed in version 0.17.8.

  3. CVE-2026-106493 4.1 Moyenne

    backstage · @backstage plugin-catalog-backend-module-azure · @backstage plugin-catalog-backend-module-aws · Linuxfoundation backstage

    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 be read from outside the intended storage boundary, limited to locations reachable with the backend's configured credentials. This issue is fixed in 1.54.6.

  4. CVE-2026-106492 6.5 Moyenne

    backstage · @backstage backend-defaults · Linuxfoundation backstage\/backend-defaults · Linuxfoundation backstage

    Backstage 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 preservation of access restrictions during service credential delegation. An external service credential configured with access restrictions (e.g., read-only) could bypass those restrictions by routing requests through plugin delegation paths. This could allow a restricted service to perform operations beyond its intended scope, including write operations on plugins it was restricted to read-only access for. This issue is fixed in versions 0.16.1 and 0.17.8.