CVE-2025-59826

FlagForgeCTF Vulnerable to Unauthorized Problem Creation

Published Sep 23, 2025 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30932 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.
History
Type Values Removed Values Added
First Time appeared Flagforge
Flagforge flagforge
CPEs cpe:2.3:a:flagforge:flagforge:2.1.0:*:*:*:*:*:*:*
Vendors & Products Flagforge
Flagforge flagforge
Type Values Removed Values Added
First Time appeared Flagforgectf
Flagforgectf flagforge
Vendors & Products Flagforgectf
Flagforgectf flagforge
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title FlagForgeCTF Vulnerable to Unauthorized Problem Creation
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 24, 2025, 1:23 PM
Reserved
Sep 22, 2025, 2:34 PM
Status
Analyzed
Published
Sep 23, 2025, 9:15 PM
Modified
Oct 11, 2026, 8:10 PM