Backstage Scaffolder Credential Handling Flaw Allows Unauthorized GitHub Auth Fallback CVE-2026-106462
Security Advisory
CVE-2026-106462
Medium
Backstage
Affected:
- @backstage/plugin-scaffolder-backend < 4.1.0
- @backstage/plugin-scaffolder-backend-module-azure < 0.2.25
- @backstage/plugin-scaffolder-backend-module-bitbucket-cloud < 0.3.10
- @backstage/plugin-scaffolder-backend-module-bitbucket-server < 0.2.25
- @backstage/plugin-scaffolder-backend-module-github < 0.9.13
Fixed in:
- @backstage/plugin-scaffolder-backend 4.1.0
- @backstage/plugin-scaffolder-backend-module-azure 0.2.25
- @backstage/plugin-scaffolder-backend-module-bitbucket-cloud 0.3.10
- @backstage/plugin-scaffolder-backend-module-bitbucket-server 0.2.25
- @backstage/plugin-scaffolder-backend-module-github 0.9.13
Referenced CVEs:
CVE-2026-106462 · 6.4
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