CVE-2025-59827

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 v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
flagforge	flagforge	All

References

Advisories & Patches

https://github.com/FlagForgeCTF/flagForge/security/advisories/GHSA-7944-xvv7-cv79

Frequently Asked Questions

What is CVE-2025-59827? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-59827? +

CVE-2025-59827 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-59827? +

CVE-2025-59827 affects products from flagforge, specifically: flagforge. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-59827? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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