Backstage: Sensitive information exposure in Scaffolder

Date Oct 7, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท @backstage/plugin-scaffolder-backend
CVE CVE-2026-106501
High-risk advisory CVE-2026-106501

Summary

Backstage: Sensitive information exposure in Scaffolder

Why it matters

GitHub has published a reviewed security advisory for @backstage/plugin-scaffolder-backend. Prioritize it with other application dependency updates, especially because EPSS places it in the 39% percentile.

Operator check

Check whether @backstage/plugin-scaffolder-backend is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.5%; percentile: 39%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.