CVE-2026-106505Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend
Beschreibung
Backstage 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 mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can circumvent the MkDocs configuration file sanitizer introduced in response to CVE-2026-25153 and execute arbitrary code on the TechDocs backend host during documentation generation. This issue is fixed in versions 1.14.6 and 1.15.4.
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| 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 |
Referenzen und Patches
- https://github.com/backstage/backstage/security/advisories/GHSA-p75x-jh7p-ppcx MitigationVendor Advisory
- https://github.com/backstage/backstage/commit/a7d995f11a5d27f0efbdbe8bb6c21b06988c79c9 Patch
- https://github.com/backstage/backstage/commit/ef92d3d2b76046205c580e7152956514c15640db 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
CPE-Treffer (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:*:*:*:*:*:*