CVE-2025-59826 HIGH

CVE-2025-59826: FlagForgeCTF Vulnerable to Unauthorized Problem Creation

Vendor Flagforgectf
Product flagForge
Weakness CWE-862 · Missing authorization
Published September 23, 2025
Last update September 24, 2025

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 23, 2025 CVE published
September 24, 2025 Record updated