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CVE-2026-5749— Inadequate access control vulnerability in Fullstep

EPSS 0.07% · P20
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I. Basic Information for CVE-2026-5749

Vulnerability Information
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Vulnerability Title
Inadequate access control vulnerability in Fullstep
Source: NVD (National Vulnerability Database)
Vulnerability Description
Inadequate access control in the registration process in Fullstep V5, which could allow unauthenticated users to obtain a valid JWT token with which to interact with authenticated API resources. Successful exploitation of this vulnerability could allow an unauthenticated attacker to compromise the confidentiality of the affected resource, provided they have a valid token with which to interact with the API.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fullstep 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fullstep是Fullstep公司的一个企业采购与供应链管理平台。 Fullstep V5版本存在访问控制错误漏洞，该漏洞源于注册过程中访问控制不足，可能导致未经身份验证的用户获取有效JWT令牌，从而与认证API资源交互，影响资源机密性。
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
FullstepFullstep 5 -

II. Public POCs for CVE-2026-5749

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III. Intelligence Information for CVE-2026-5749

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IV. Related Vulnerabilities

Same product: Fullstep
Same vendor: Fullstep
Same weakness: CWE-306

V. Comments for CVE-2026-5749

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