Skip to content
7.7 High

CVE-2026-106505 Backstage is an open framework for building developer portals

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 and versions

Product Affected versions Fixed in
backstage 1.51 1.51.0-next.0 → < 1.54.6 1.54.6
backstage 1.50 earliest → < 1.50.5 1.50.5
plugin-techdocs-node 1.15 1.15.0 → < 1.15.4 1.15.4
plugin-techdocs-node 1.14 earliest → < 1.14.6 1.14.6

References

Timeline

  1. Published
  2. Last modified
The 69 CVEs of backstage →
Track this CVE