CVE-2025-59826: high-severity vulnerability in FlagForgeCTF flagForge
FlagForgeCTF Vulnerable to Unauthorized Problem Creation
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.6epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Affected products
FlagForgeCTF · flagForgeRelated CVEs — FlagForgeCTF flagForge
In the same product, most dangerous first.
CVE-2025-61777CRITICALFlagForge Allows Unauthenticated Badge Template API AccessEPSS 0.5%CVE-2025-59843MEDIUMFlagForgeCTF Exposes User Emails via Public /api/user/[username] APIEPSS 0.4%CVE-2025-59841CRITICALFlagForgeCTF's Improper Session Handling Allows Access After LogoutEPSS 0.4%CVE-2025-59827HIGHFlagForgeCTF is Missing Authorization in main-v2EPSS 0.4%CVE-2025-59932HIGHFlagForgeCTF Unauthenticated Resource Modification/DeletionEPSS 0.4%CVE-2025-59833HIGHFlagForgeCTF Hint Exposure via APIEPSS 0.3%