Backstage is an open framework for building developer portals. Prior to 1.15.4, the @backstage/plugin-techdocs-node package is affected by techdocs arbitrary file read via mkdocs snippets. Unsafe path resolution in TechDocs source tree handling allows an authenticated user who can register documentation sources to include content from outside the intended documentation boundary. Depending on deployment, this may expose files readable by the build process. This issue is fixed in version 1.15.4.
Fix
Patch, vendor advisory and mitigation references on NVD 3
- https://github.com/backstage/backstage/commit/911ca36f10e654c5517da029129230fc05a4f580 Patch
- https://github.com/backstage/backstage/releases/tag/v1.54.6 Patch, Release Notes
- https://github.com/backstage/backstage/security/advisories/GHSA-vmqh-7cj9-mvcj Mitigation, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · linuxfoundationNVD modified 2026-10-09 17:49
Affected (CPE criteria) 2
cpe:2.3:a:linuxfoundation:backstage_plugin-techdocs-node:*:*:*:*:*:*:*:*cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*