CVE-2026-106505 — Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend
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 configurat…
Published: 2026-10-06 · CVSS: 7.7 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7