Tóm tắt nhanh
- CVE-2026-106557 là lỗ hổng mức CAO (CVSS 7.7) ảnh hưởng @backstage/plugin-techdocs-node.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.38%, cao hơn 31.5% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 1.15.4 hoặc mới hơn.
Mô tả
Impact
An authenticated user who can register or modify documentation sources may cause a TechDocs build to access resources outside the intended documentation boundary. Depending on deployment configuration, this may expose sensitive backend-host data or internal network resources.
Patches
Patched in @backstage/plugin-techdocs-node version 1.15.4.
Adopters must also use pymdown-extensions version 10.21.3 or newer, normally through mkdocs-techdocs-core version 1.7.0 or newer. @backstage/plugin-techdocs-node does not control the Python dependencies used by the generator; with an older PyMdown release, snippets may remain vulnerable to file inclusion even after their configuration is sanitized.
Workarounds
- Generate TechDocs only from trusted repositories with reviewed MkDocs configuration.
- Use isolated build environments with restricted filesystem access and network egress.
- Prefer externally generated TechDocs with appropriately sandboxed CI.
Mô tả của NVD
Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package did not sufficiently validate TechDocs Markdown extension configuration. An authenticated user who can register or modify documentation sources may cause a TechDocs build to access resources outside the intended documentation boundary, potentially exposing backend-host data or internal network resources. This issue is fixed in versions 1.14.6 and 1.15.4 when pymdown-extensions 10.21.3 or later is also used, normally through mkdocs-techdocs-core 1.7.0 or later.
Lỗ hổng khác của @backstage/plugin-techdocs-node
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