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CVE-2026-40213

CVSS 7.4 · High EPSS 0.03% · P10
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I. Basic Information for CVE-2026-40213

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@') as the default policy for multiple API endpoints. This unconditionally authorizes any request carrying a valid Keystone token regardless of roles, project membership, or scope. An authenticated user with zero role assignments can complete various actions such as reprogramming FPGA bitstreams on arbitrary compute nodes via agent RPC.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenStack Cyborg 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenStack Cyborg是OpenStack开源的一个加速器资源管理与调度服务组件。 OpenStack Cyborg 16.0.1之前版本存在安全漏洞，该漏洞源于多个API端点使用rule:allow作为默认策略，可能导致任何持有有效Keystone令牌的请求无条件授权。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenStackCyborg 5.0.0 ~ 14.0.1 -

II. Public POCs for CVE-2026-40213

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III. Intelligence Information for CVE-2026-40213

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IV. Related Vulnerabilities

Same product: Cyborg
Same vendor: OpenStack
Same weakness: CWE-863

V. Comments for CVE-2026-40213

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