Tóm tắt nhanh
- CVE-2026-106488 là lỗ hổng mức CAO (CVSS 8.1) ảnh hưởng backstage (linuxfoundation), backstage/plugin-auth-backend-module-oidc-provider (linuxfoundation), @backstage/plugin-auth-backend-module-oidc-provider.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.28%, cao hơn 20.6% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 1.54.6, 0.4.20 hoặc mới hơn.
Mô tả
Impact
Deployments using OIDC email-based identity resolution with a provider that permits unverified email addresses may allow an authenticated provider user to assume another catalog identity. This may grant access and permissions associated with that user. No direct availability impact is demonstrated.
Patches
Patched in @backstage/plugin-auth-backend-module-oidc-provider version 0.4.20.
Workarounds
- Disable email-based sign-in resolution for the OIDC provider, or require the identity provider to verify email addresses before allowing sign-in.
Mô tả của NVD
Backstage is an open framework for building developer portals. Prior to 0.4.20, the @backstage/plugin-auth-backend-module-oidc-provider package is affected by improper authentication in the oidc provider. Deployments using OIDC email-based identity resolution with a provider that permits unverified email addresses may allow an authenticated provider user to assume another catalog identity. This may grant access and permissions associated with that user. No direct availability impact is demonstrated. This issue is fixed in version 0.4.20.
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