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CVE-2025-59826

FlagForgeCTF Vulnerable to Unauthorized Problem Creation

HIGH
7.6
CVSS Score
Published: September 23, 2025 at 08:26 PM UTC
Updated: October 11, 2026 at 08:10 PM UTC
2 products affected across 2 vendorsFlagforgeflagForge

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Severity
HIGH7.6
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/FlagForgeCTF/flagForge/security/advisories/GHSA-q7pg-qchv-3pc5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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