Vulnerability · Published Sep 23, 2025 · Assigned by GitHub_M
CVE-2025-59826FlagForgeCTF Vulnerable to Unauthorized Problem Creation
High 7.6
In plain English
A high-severity missing authorization in flagForge from FlagForgeCTF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)7.6High
Exploit odds (30 days)0.2%top 85.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| FlagForgeCTF | flagForge | = 2.1.0 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L