CVE-2026-44774— Traefik 未授权暴露内部 REST 接口漏洞
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一、 漏洞 CVE-2026-44774 基础信息
漏洞信息
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Vulnerability Title
Traefik: Gateway API TraefikService backend accepts rest@internal, allowing unauthorized exposure of the REST provider despite providers.rest.insecure=false
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.46, 3.6.17, and 3.7.1, Traefik's Kubernetes Gateway API provider allows a tenant with HTTPRoute creation permissions to expose the REST provider handler, bypassing the providers.rest.insecure=false setting. The Gateway provider accepts any TraefikService backend reference whose name ends with @internal, making it possible to route traffic to rest@internal in addition to the intended api@internal. In shared Gateway deployments where the REST provider is enabled, this allows a low-privileged actor to gain live dynamic configuration write access to Traefik, enabling unauthorized reconfiguration of routers and services. This vulnerability is fixed in 2.11.46, 3.6.17, and 3.7.1.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
访问控制不恰当
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-44774 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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- https://github.com/traefik/traefik/releases/tag/v3.7.1x_refsource_MISC
- https://github.com/traefik/traefik/releases/tag/v3.6.17x_refsource_MISC
- https://github.com/traefik/traefik/releases/tag/v2.11.46x_refsource_MISC
- https://github.com/traefik/traefik/security/advisories/GHSA-96qj-4jj5-wcjcx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-44774
IV. Related Vulnerabilities
V. Comments for CVE-2026-44774
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