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I. Basic Information for CVE-2025-61777
Vulnerability Information

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Vulnerability Title
FlagForge Allows Unauthenticated Badge Template API Access
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flag Forge is a Capture The Flag (CTF) platform. Starting in version 2.0.0 and prior to version 2.3.2, the `/api/admin/badge-templates` (GET) and `/api/admin/badge-templates/create` (POST) endpoints previously allowed access without authentication or authorization. This could have enabled unauthorized users to retrieve all badge templates and sensitive metadata (createdBy, createdAt, updatedAt) and/or create arbitrary badge templates in the database. This could lead to data exposure, database pollution, or abuse of the badge system. The issue has been fixed in FlagForge v2.3.2. GET, POST, UPDATE, and DELETE endpoints now require authentication. Authorization checks ensure only admins can access and modify badge templates. No reliable workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flag Forge 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flag Forge是FlagForge开源的一个易于使用的CTF平台。 Flag Forge 2.0.0版本至2.3.2之前版本存在访问控制错误漏洞,该漏洞源于/api/admin/badge-templates和/api/admin/badge-templates/create端点缺少身份验证和授权检查,可能导致数据泄露和数据库污染。
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
FlagForgeCTFflagForge >= 2.0.0, < 2.3.2 -
II. Public POCs for CVE-2025-61777
#POC DescriptionSource LinkShenlong Link
1CVE on FlagForgeCTF on versions v2.0.0 to v2.3.1. Upgraded to version 2.3.2 to fix the issue.https://github.com/0x0w1z/CVE-2025-61777POC Details
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III. Intelligence Information for CVE-2025-61777
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IV. Related Vulnerabilities
V. Comments for CVE-2025-61777

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