CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, при специфични условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential requirements. When a parent path permits unauthenticated access and a nested path requires credentials, the parent exemption can also cover requests handled by the nested proxy. An unauthenticated caller may therefore reach the nested upstream through Backstage, including with static upstream credentials configured for that proxy. This issue is fixed in version 0.6.18.
Засегнати продукти
- backstage backstage: >= 1.28.0, < 1.55.0
- @backstage plugin-proxy-backend: >= 0.5.0, < 0.6.18
Вид слабост
История
- 6 октомври 2026 Публикувано
Други уязвимости в backstage backstage
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-106456
- https://nvd.nist.gov/vuln/detail/CVE-2026-106456
- https://github.com/backstage/backstage/security/advisories/GHSA-472h-9c5j-prrr
- https://github.com/backstage/backstage/commit/9df92923ac32558bb80edeceafd8de780c44e218
- https://github.com/backstage/backstage/releases/tag/v1.55.0