Tóm tắt nhanh
- CVE-2026-106490 là lỗ hổng mức TRUNG BÌNH (CVSS 6.5) ảnh hưởng backstage (linuxfoundation), backstage/plugin-techdocs-backend (linuxfoundation), @backstage/plugin-techdocs-backend.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.37%, cao hơn 30.9% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 1.54.6, 2.2.4 hoặc mới hơn.
Mô tả
Impact
When using the Azure Blob Storage provider, an authenticated Backstage user may be able to read restricted TechDocs content when entity-level permissions are enabled. Deployments that intentionally disable the default backend authentication policy may have broader exposure.
Patches
Patched in @backstage/plugin-techdocs-backend version 2.2.4
Workarounds
- Restrict access to the TechDocs backend to users who are permitted to view all stored documentation until an upgrade can be applied.
- Keep the default backend authentication policy enabled.
Mô tả của NVD
Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to read restricted TechDocs content when entity-level permissions are enabled. Deployments that intentionally disable the default backend authentication policy may have broader exposure. This issue is fixed in version 2.2.4.
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