CVE-2025-59833

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,...

CVE-2025-59841

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...

CVE-2025-59841 FlagForgeCTF's Improper Session Handling Allows Access After Logout

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...

CVE-2025-59841

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...

CVE-2025-59826

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...

Flag Forge code-related vulnerabilities

Flag Forge is an easy-to-use CTF platform open-sourced by FlagForge. A code issue vulnerability exists in Flag Forge version 2.2.0 through versions prior to 2.3.1, which stems from improper handling of session expiration and could lead to unauthorized operations...

CVE-2025-59841: Session Fixation

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...

CVE-2025-59827

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...

CVE-2025-59833

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,...

CVE-2025-59833

Flag Forge CTI platform vulnerable versions 2.1.0–2.2.9 expose hints in plaintext within the GET /api/problems/:id response, revealing unreleased hints regardless of deduction. This information disclosure undermines business logic and challenge integrity. The issue is patched in version 2.3.0. Re...

CVE-2025-59833 FlagForgeCTF Hint Exposure via API

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,...

CVE-2025-59833 FlagForgeCTF Hint Exposure via API

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,...

CVE-2025-59833 FlagForgeCTF Hint Exposure via API

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,...

CVE-2025-59827 FlagForgeCTF is Missing Authorization in main-v2

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...

CVE-2025-59827 FlagForgeCTF is Missing Authorization in main-v2

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...

CVE-2025-59827

Flag Forge CT F Platform, version 2.1.0, exposes a privilege escalation risk via /api/admin/assign-badge due to missing access control, allowing any authenticated user to self-assign high-privilege badges (e.g., Staff) and impersonate admins. The issue is mitigated by upgrading to version 2.2.0, ...

CVE-2025-59827 FlagForgeCTF is Missing Authorization in main-v2

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...

CVE-2025-59833: Exposure of Sensitive Information to an Unauthorized Actor

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,...

Flag Forge information leakage vulnerability

Flag Forge is an easy-to-use CTF platform open-sourced by FlagForge. An information disclosure vulnerability exists in Flag Forge versions 2.1.0 through prior to 2.3.0, which stems from an API endpoint where GET /api/problems/:id returns a challenge prompt in plaintext, which could lead to...

CVE-2025-59827: Missing Authorization

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...