CVE-2025-59826 | BDVDB-2026-295348 Detail

FlagForgeCTFflagForge

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-862 Missing Authorization

References#

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

Exploit#

No public exploit known

History#

Version 12025-09-23Record published in the CVE List.
Version 22025-09-24Most recent update recorded in the CVE List.

Published

Published: 2025-09-23
Last modified: 2025-09-24

Vendor information

Vendor: FlagForgeCTF
Product: flagForge

All FlagForgeCTF vulnerabilities

Score

7.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 14.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
= 2.1.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.6 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).