CVE-2025-59827— FlagForgeCTF is Missing Authorization in main-v2
Quick assessment
Affected
FlagForgeCTF flagForge
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.
Flag Forge是FlagForge开源的一个易于使用的CTF平台。 Flag Forge 2.1.0版本存在安全漏洞，该漏洞源于/api/admin/assign-badge端点缺少适当的访问控制，可能导致权限提升和管理员角色冒充。
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I. Basic Information for CVE-2025-59827
Vulnerability Information
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Vulnerability Title
FlagForgeCTF is Missing Authorization in main-v2
Source: CVE Program / CVE List V5
Vulnerability Description
Flag Forge is a Capture The Flag (CTF) platform. In version 2.1.0, the /api/admin/assign-badge endpoint lacks proper access control, allowing any authenticated user to assign high-privilege badges (e.g., Staff) to themselves. This could lead to privilege escalation and impersonation of administrative roles. This issue has been patched in version 2.2.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Flag Forge 安全漏洞
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 2.1.0版本存在安全漏洞，该漏洞源于/api/admin/assign-badge端点缺少适当的访问控制，可能导致权限提升和管理员角色冒充。
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 |
|---|---|---|---|---|
| FlagForgeCTF | flagForge | = 2.1.0 | - |
|
II. Public POCs for CVE-2025-59827
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: flagForge
-
CVE-2026-21868
Flag Forge has ReDoS Vulnerability in User Profile Lookup AP -
CVE-2025-61777
FlagForge Allows Unauthenticated Badge Template API Access -
CVE-2025-59932
FlagForgeCTF Unauthenticated Resource Modification/Deletion -
CVE-2025-59843
FlagForgeCTF Exposes User Emails via Public /api/user/[usern -
CVE-2025-59841
FlagForgeCTF's Improper Session Handling Allows Access After
Same vendor: FlagForgeCTF
-
CVE-2026-21868
Flag Forge has ReDoS Vulnerability in User Profile Lookup AP -
CVE-2025-61777
FlagForge Allows Unauthenticated Badge Template API Access -
CVE-2025-59932
FlagForgeCTF Unauthenticated Resource Modification/Deletion -
CVE-2025-59843
FlagForgeCTF Exposes User Emails via Public /api/user/[usern -
CVE-2025-59841
FlagForgeCTF's Improper Session Handling Allows Access After
Same weakness: CWE-862
-
CVE-2026-104660
Missing Authorization in hMailServer -
CVE-2026-87669
Brocade Fabric OS <10.0.1 REST API越权漏洞 -
CVE-2026-76272
Missing Access Control through the REST API in Splunk Secure -
CVE-2026-107352
Missing authorization checks in Amazon Athena engine version -
CVE-2026-96335
WordPress Forminator plugin <= 1.57.2 - Broken Access Contro
V. Comments for CVE-2025-59827
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