CVE-2025-59826: Flagforge

High severity, CVSS 7.6. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Flagforge Flagforge: version 2.1.0 only

Published 2025-09-23. Last modified 2026-06-17.