Vulnerabilities

Security fix · CVE-2025-59826

Flag Forge is a Capture The Flag (CTF) platform.

Published Sep 23, 2025 · catalog updated Sep 24, 2025 · FlagForgeCTF flagForge

Check if you run it

No confirmed exploitation is on record for CVE-2025-59826. EPSS is 0.24%. Act only if a listed version of FlagForgeCTF flagForge is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Advisory link
Affected products
vendor FlagForgeCTF flagForge = 2.1.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor FlagForgeCTF flagForge = 2.1.0= 2.1.0

How to fix CVE-2025-59826

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59826. EPSS is 0.24%. Act only if a listed version of FlagForgeCTF flagForge is installed.

Which versions are affected?

Compare what you have installed with FlagForgeCTF flagForge = 2.1.0 = 2.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 23, 2025 · EUVD

    Detected

    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.

  2. Sep 24, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-59826

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59826

    30-day exploitation probability 0.24%

    first.org
  • EUVDVulnerability recordEUVD-2025-30932

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.