CVE-2025-59827 — CRITICAL (9.8)

Vulnerability Description

Flag Forge is a Capture The Flag (CTF) platform. In version 2.1.0, the /api/admin/assign-badge endpoint lacks proper access control, allowing any authenticated user to assign high-privilege badges (e.g., Staff) to themselves. This could lead to privilege escalation and impersonation of administrative roles. This issue has been patched in version 2.2.0.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Flagforge	Flagforge	2.1.0

Related Weaknesses (CWE)

CWE-862

References

https://github.com/FlagForgeCTF/flagForge/security/advisories/GHSA-7944-xvv7-cv7Vendor Advisory

FAQ

What is CVE-2025-59827?

CVE-2025-59827 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Flag Forge is a Capture The Flag (CTF) platform. In version 2.1.0, the /api/admin/assign-badge endpoint lacks proper access control, allowing any authenticated user to assign high-privilege badges (e....

How severe is CVE-2025-59827?

CVE-2025-59827 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-59827?

Check the references section above for vendor advisories and patch information. Affected products include: Flagforge Flagforge.