Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
backstage backstage
< 1.50.5affected>= 1.51.0-next.0, < 1.54.6affected
@backstage plugin-techdocs-node
< 1.14.6affected>= 1.15.0, < 1.15.4affected
References
- https://github.com/backstage/backstage/security/advisories/GHSA-p75x-jh7p-ppcx ↗
- https://github.com/backstage/backstage/commit/a7d995f11a5d27f0efbdbe8bb6c21b06988c79c9 ↗
- https://github.com/backstage/backstage/commit/ef92d3d2b76046205c580e7152956514c15640db ↗
- https://github.com/backstage/backstage/releases/tag/v1.50.5 ↗
- https://github.com/backstage/backstage/releases/tag/v1.54.6 ↗