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CVE-2025-53003— Janssen Config API returns results without scope verification

Quick assessment

Affected
JanssenProject jans
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.

Janssen是Janssen Project开源的一个开源的用户认证组件。 Janssen 1.8.0之前版本存在安全漏洞，该漏洞源于Config API返回结果时未验证范围，可能导致信息泄露。

AI Predicted 8.2 Difficulty: Trivial EPSS 0.38% · P32

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2025-53003

Vulnerability Information
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Vulnerability Title
Janssen Config API returns results without scope verification
Source: CVE Program / CVE List V5
Vulnerability Description
The Janssen Project is an open-source identity and access management (IAM) platform. Prior to version 1.8.0, the Config API returns results without scope verification. This has a large internal surface attack area that exposes all sorts of information from the IDP including clients, users, scripts ..etc. This issue has been patched in version 1.8.0. A workaround for this vulnerability involves users forking and building the config api, patching it in their system following commit 92eea4d.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Janssen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Janssen是Janssen Project开源的一个开源的用户认证组件。 Janssen 1.8.0之前版本存在安全漏洞，该漏洞源于Config API返回结果时未验证范围，可能导致信息泄露。
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
JanssenProject jans < 1.8.0 -

II. Public POCs for CVE-2025-53003

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III. Intelligence Information for CVE-2025-53003

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Vendor Pages for CVE-2025-53003 (1)

IV. Related Vulnerabilities

Same product: jans
Same vendor: JanssenProject
Same weakness: CWE-200

V. Comments for CVE-2025-53003

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