CVE-2025-59841 is a critical session invalidation vulnerability affecting Flag Forge CTF platform versions 2.2.0 through 2.3.0. Authenticated users can retain access to protected endpoints and their CSRF tokens remain valid even after logging out, enabling potential unauthorized actions. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered community attention, with one mention on Mastodon urging immediate patching to version 2.3.1 or later.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2, < 2.3.1CPE matchmatch criteria | cpe:2.3:a:flagforge:flagforge:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.