7.7Alta
CVE-2026-106510Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml
Descripción
Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| backstage | backstage | < 1.50.5, >= 1.51.0-next.0, < 1.54.6 | |
| @backstage | plugin-techdocs-node | < 1.14.6, >= 1.15.0, < 1.15.4 | |
| linuxfoundation | backstage | < 1.50.5 | |
| linuxfoundation | backstage plugin-techdocs-node | < 1.14.6 |
Referencias y parches
- https://github.com/backstage/backstage/security/advisories/GHSA-4488-j8vj-vqqv MitigationVendor Advisory
- https://github.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbb Patch
- https://github.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9d Patch
- https://github.com/backstage/backstage/releases/tag/v1.50.5 PatchRelease Notes
- https://github.com/backstage/backstage/releases/tag/v1.54.6 PatchRelease Notes
Coincidencias CPE (NVD) (9)
cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*< 1.14.6cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*≥ 1.15.0 < 1.15.4cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*< 1.50.5cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*≥ 1.51.1 < 1.54.6cpe:2.3:a:linuxfoundation:backstage:1.51.0:-:*:*:*:*:*:*cpe:2.3:a:linuxfoundation:backstage:1.51.0:next0:*:*:*:*:*:*cpe:2.3:a:linuxfoundation:backstage:1.51.0:next1:*:*:*:*:*:*cpe:2.3:a:linuxfoundation:backstage:1.51.0:next2:*:*:*:*:*:*cpe:2.3:a:linuxfoundation:backstage:1.51.0:next3:*:*:*:*:*:*