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7 vulnerabilities by FlagForgeCTF
CVE-2025-61777 (GCVE-0-2025-61777)
Vulnerability from cvelistv5 – Published: 2025-10-06 16:44 – Updated: 2025-10-06 17:15
VLAI?
Summary
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.
Severity ?
9.4 (Critical)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
>= 2.0.0, < 2.3.2
|
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CVE-2025-59932 (GCVE-0-2025-59932)
Vulnerability from cvelistv5 – Published: 2025-09-27 00:51 – Updated: 2025-09-29 14:13
VLAI?
Summary
Flag Forge is a Capture The Flag (CTF) platform. From versions 2.0.0 to before 2.3.1, the /api/resources endpoint previously allowed POST and DELETE requests without proper authentication or authorization. This could have enabled unauthorized users to create, modify, or delete resources on the platform. The issue has been fixed in FlagForge version 2.3.1.
Severity ?
8.6 (High)
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
>= 2.0.0, < 2.3.1
|
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CVE-2025-59843 (GCVE-0-2025-59843)
Vulnerability from cvelistv5 – Published: 2025-09-26 16:03 – Updated: 2025-09-26 17:51
VLAI?
Summary
Flag Forge is a Capture The Flag (CTF) platform. From versions 2.0.0 to before 2.3.1, the public endpoint /api/user/[username] returns user email addresses in its JSON response. The problem has been patched in FlagForge version 2.3.1. The fix removes email addresses from public API responses while keeping the endpoint publicly accessible. Users should upgrade to version 2.3.1 or later to eliminate exposure. There are no workarounds for this vulnerability.
Severity ?
CWE
- CWE-359 - Exposure of Private Personal Information to an Unauthorized Actor
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
>= 2.0.0, < 2.3.1
|
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}
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CVE-2025-59841 (GCVE-0-2025-59841)
Vulnerability from cvelistv5 – Published: 2025-09-25 15:15 – Updated: 2025-09-29 15:48
VLAI?
Summary
Flag Forge is a Capture The Flag (CTF) platform. In versions from 2.2.0 to before 2.3.1, the FlagForge web application improperly handles session invalidation. Authenticated users can continue to access protected endpoints, such as /api/profile, even after logging out. CSRF tokens are also still valid post-logout, which can allow unauthorized actions. This issue has been patched in version 2.3.1.
Severity ?
9.8 (Critical)
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
>= 2.2.0, < 2.3.1
|
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CVE-2025-59833 (GCVE-0-2025-59833)
Vulnerability from cvelistv5 – Published: 2025-09-24 20:25 – Updated: 2025-09-24 20:44
VLAI?
Summary
Flag Forge is a Capture The Flag (CTF) platform. In versions from 2.1.0 to before 2.3.0, the API endpoint GET /api/problems/:id returns challenge hints in plaintext within the question object, regardless of whether the user has unlocked them via point deduction. Users can view all hints for free, undermining the business logic of the platform and reducing the integrity of the challenge system. This issue has been patched in version 2.3.0.
Severity ?
7.5 (High)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
>= 2.1.0, < 2.3.0
|
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"timestamp": "2025-09-24T20:41:55.963055Z",
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}
],
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"confidentialityImpact": "HIGH",
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"dateReserved": "2025-09-22T14:34:03.471Z",
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CVE-2025-59827 (GCVE-0-2025-59827)
Vulnerability from cvelistv5 – Published: 2025-09-24 20:23 – Updated: 2025-09-24 20:39
VLAI?
Summary
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.
Severity ?
8.2 (High)
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
= 2.1.0
|
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CVE-2025-59826 (GCVE-0-2025-59826)
Vulnerability from cvelistv5 – Published: 2025-09-23 20:26 – Updated: 2025-09-24 13:23
VLAI?
Summary
Flag Forge is a Capture The Flag (CTF) platform. In version 2.1.0, non-admin users can create arbitrary challenges, potentially introducing malicious, incorrect, or misleading content. This issue has been patched in version 2.2.0.
Severity ?
7.6 (High)
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| FlagForgeCTF | flagForge |
Affected:
= 2.1.0
|
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],
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"timestamp": "2025-09-24T13:22:46.470488Z",
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"discovery": "UNKNOWN"
},
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}
},
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