Vulnerability in Flag Forge CTF Platform Allows Malicious Content Creation by Non-Admin Users
CVE-2025-59826

7.6HIGH

Key Information:

Vendor

Flagforgectf

Status
Flagforge
Vendor
CVE Published:
23 September 2025

What is CVE-2025-59826?

The Flag Forge Capture The Flag (CTF) platform, specifically in version 2.1.0, has an improper access control vulnerability that allows non-admin users to create arbitrary challenges. This capability poses a risk by enabling the introduction of potentially harmful, misleading, or incorrect content into the platform. The vulnerability has been effectively addressed in version 2.2.0, which users are strongly advised to upgrade to in order to mitigate these risks.

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Affected Version(s)

flagForge = 2.1.0

References

https://github.com/FlagForgeCTF/flagForge/security/adviso...
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CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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