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CVE-2026-43983— Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions

Quick assessment

Affected
pocket-id pocket-id
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 2.6.0之前版本存在授权问题漏洞，该漏洞源于createTokenFromRefreshToken函数未重新验证用户当前授权状态，可能导致令牌在授权撤销后继续使用。

AI Predicted 8.1 Difficulty: Easy EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
pocket-id pocket-id < 2.6.0 affected
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I. Basic Information for CVE-2026-43983

Vulnerability Information
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Vulnerability Title
Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions
Source: CVE Program / CVE List V5
Vulnerability Description
Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. Prior to 2.6.0, The createTokenFromRefreshToken function (oidc_service.go) validates the refresh token's cryptographic integrity but does not re-validate the user's current authorization state before issuing new tokens. This allows (1) the client to refresh the token indefinitely after authorization revocation, (2) the refresh token to continue to work after the account is disabled, and (3) the token to work after the client is removed from the group. This vulnerability is fixed in 2.6.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Pocket ID 授权问题漏洞
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 2.6.0之前版本存在授权问题漏洞，该漏洞源于createTokenFromRefreshToken函数未重新验证用户当前授权状态，可能导致令牌在授权撤销后继续使用。
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

Vendor Product Affected Versions CPE Subscribe
pocket-id pocket-id < 2.6.0 -

II. Public POCs for CVE-2026-43983

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III. Intelligence Information for CVE-2026-43983

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Vendor Advisories for CVE-2026-43983 (1)

IV. Related Vulnerabilities

Same product: pocket-id
Same vendor: pocket-id
Same weakness: CWE-285