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CVE-2025-53942— authentik has an insufficient check for account active status during OAuth/SAML authentication

Quick assessment

Affected
goauthentik authentik
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.

authentik是authentik开源的一个开源身份提供应用程序。 authentik 2025.4.4及之前版本和2025.6.0-rc1至2025.6.3版本存在安全漏洞，该漏洞源于OAuth/SAML账户状态验证不足，可能导致部分系统访问权限保留。

AI Predicted 6.5 Difficulty: Easy EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2025-53942

Vulnerability Information
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Vulnerability Title
authentik has an insufficient check for account active status during OAuth/SAML authentication
Source: CVE Program / CVE List V5
Vulnerability Description
authentik is an open-source Identity Provider that emphasizes flexibility and versatility, with support for a wide set of protocols. In versions 2025.4.4 and earlier, as well as versions 2025.6.0-rc1 through 2025.6.3, deactivated users who registered through OAuth/SAML or linked their accounts to OAuth/SAML providers can still retain partial access to the system despite their accounts being deactivated. They end up in a half-authenticated state where they cannot access the API but crucially they can authorize applications if they know the URL of the application. To workaround this issue, developers can add an expression policy to the user login stage on the respective authentication flow with the expression of return request.context["pending_user"].is_active. This modification ensures that the return statement only activates the user login stage when the user is active. This issue is fixed in versions authentik 2025.4.4 and 2025.6.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
authentik 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
authentik是authentik开源的一个开源身份提供应用程序。 authentik 2025.4.4及之前版本和2025.6.0-rc1至2025.6.3版本存在安全漏洞，该漏洞源于OAuth/SAML账户状态验证不足，可能导致部分系统访问权限保留。
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
goauthentik authentik <= 2025.4.3, < 2025.4.4 -

II. Public POCs for CVE-2025-53942

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III. Intelligence Information for CVE-2025-53942

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Patches & Fixes for CVE-2025-53942 (1)

Vendor Advisories for CVE-2025-53942 (1)

IV. Related Vulnerabilities

Same product: authentik
Same vendor: goauthentik
Same weakness: CWE-269

V. Comments for CVE-2025-53942

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