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I. Basic Information for CVE-2026-3432
Vulnerability Information

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Vulnerability Title
Sim Studio AI - Unauthenticated OAuth Token Theft
Source: NVD (National Vulnerability Database)
Vulnerability Description
On SimStudio version below to 0.5.74, the `/api/auth/oauth/token` endpoint contains a code path that bypasses all authorization checks when provided with `credentialAccountUserId` and `providerId` parameters. An unauthenticated attacker can retrieve OAuth access tokens for any user by supplying their user ID and a provider name, effectively stealing credentials to third-party services.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sim Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sim Studio是Sim Studio开源的一个AI代理工作流构建器。 Sim Studio 0.5.74之前版本存在安全漏洞,该漏洞源于/api/auth/oauth/token端点存在授权检查绕过,可能导致未经验证的攻击者窃取OAuth访问令牌。
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
SimStudioAIsim 0 ~ 0.5.74 -
II. Public POCs for CVE-2026-3432
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III. Intelligence Information for CVE-2026-3432
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IV. Related Vulnerabilities
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