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CVE-2026-43001

CVSS 7.9 · High EPSS 0.01% · P2
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I. Basic Information for CVE-2026-43001

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in OpenStack Keystone 13 through 29. POST /v3/credentials did not validate that the caller-supplied project_id for an EC2-type credential matched the project of the authenticating application credential. This allowed an attacker holding an unrestricted application credential for project A to create an EC2 credential targeting project B; a subsequent /v3/ec2tokens exchange would then issue a Keystone token scoped to project B while still carrying the original app_cred_id, enabling cross-project lateral movement within the credential owner's role footprint.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenStack Keystone 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenStack Keystone是OpenStack开源的一个核心认证组件库。 OpenStack Keystone 13版本至29版本存在安全漏洞，该漏洞源于POST /v3/credentials未验证调用者提供的project_id，可能导致跨项目横向移动。
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
OpenStackKeystone 13 ~ 29 -

II. Public POCs for CVE-2026-43001

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III. Intelligence Information for CVE-2026-43001

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IV. Related Vulnerabilities

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

V. Comments for CVE-2026-43001

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