CVE-2025-29419
HighCVSS 7.1Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
CTFd v3.7.6 was discovered to be vulnerable to a man-in-the-middle attack.
Risk Assessment
An attacker can intercept and modify traffic between the user and the server, potentially leading to credential theft and confidentiality breaches.
Recommendation
Update CTFd to the latest version that includes a fix for this vulnerability. Additionally, ensure connections are encrypted (HTTPS) and verify certificates.
Other vulnerabilities in CTFd
See all- CVE-2026-121562Medium
CTFd 3.1.0 before 3.8.7 contains an information disclosure vulnerability in the /api/v1/teams list endpoint that exposes non-public team custom field values. Unauthenticated attackers can paginate GET requests to collect hidden registration data such as emails, phone numbers, and student IDs when team mode and public visibility are enabled.
- CVE-2026-78145Medium
A vulnerability in CTFd up to 3.8.4 in the _is_safe_url function of the CTFd/utils/validators/__init__.py file. Manipulation of the Next argument leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The patch name is 5d8515842fd1ab2c3a9f2dde9ffca907aa334ea9. Upgrading the affected component is recommended.
- CVE-2024-46242High
In CTFd 3.7.3, the validate_email function in CTFd/utils/validators/__init__.py is vulnerable to a Regular expression Denial of Service (ReDoS) attack. An attacker can supply a crafted email address during registration, causing excessive server load.
Original NVD description (English source)
CTFd v3.7.6 was discovered to be vulnerable to a man-in-the-middle attack.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

