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I. Basic Information for CVE-2026-28513
Vulnerability Information

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Vulnerability Title
Pocket ID: OIDC authorization code validation uses AND instead of OR, allowing cross-client token exchange
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. Prior to 2.4.0, the OIDC token endpoint rejects an authorization code only when both the client ID is wrong and the code is expired. This allows cross-client code exchange and expired code reuse. This vulnerability is fixed in 2.4.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pocket ID 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pocket ID是Pocket ID开源的一个支持无密码认证的OIDC身份提供商。 Pocket ID 2.4.0之前版本存在安全漏洞,该漏洞源于OIDC令牌端点仅在客户端ID错误且代码过期时才拒绝授权代码,可能导致跨客户端代码交换和过期代码重用。
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
pocket-idpocket-id < 2.4.0 -
II. Public POCs for CVE-2026-28513
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III. Intelligence Information for CVE-2026-28513
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IV. Related Vulnerabilities
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