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CVE-2025-59841

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CVE-2025-59841

Published: Sep 25, 2025

Modified: Sep 29, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

VendorProductVersions

FlagForgeCTF

flagForge

affected
>= 2.2.0, < 2.3.1

Weaknesses (CWE)

CWE-384
CWE-613

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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