CVE-2026-30345

A zip slip vulnerability in the Admin import functionality of CTFd v3.8.1-18-gdb5a18c4 allows attackers to write arbitrary files outside the intended directories via supplying a crafted import...

CVE-2020-7245

Incorrect username validation in the registration process of CTFd v2.0.0 - v2.2.2 allows an attacker to take over an arbitrary account if the username is known and emails are enabled on the CTFd instance. To exploit the vulnerability, one must register with a username identical to the victim's...

EUVD-2020-28372

Malware in sbrugna...

EUVD-2024-34048

Malicious code in bioql PyPI...

EUVD-2025-3069

Malicious code in bioql PyPI...

CVE-2024-11716

While assignment of a user to a team bracket in CTFd should be possible only once, at the registration, a flaw in logic implementation allows an authenticated user to reset it's bracket and then pick a new one, joining another team while a competition is already ongoing. This issue impacts releas...

CVE-2024-11717

Tokens in CTFd used for account activation and password resetting can be used interchangeably for these operations. When used, they are sent to the server as a GET parameter and they are not single use, which means, that during token expiration time an on-path attacker might reuse such a token to...

CVE-2024-42988

Lack of access control in ChallengeSolves /api/v1/challenges//solves of CTFd v2.0.0 - v3.7.2 allows authenticated users to retrieve a list of users who have solved the challenge, regardless of the Account Visibility settings. The issue is fixed in v3.7.3+...

CVE-2025-23001

A Host header injection vulnerability exists in CTFd 3.7.5, due to the application failing to properly validate or sanitize the Host header. An attacker can manipulate the Host header in HTTP requests, which may lead to phishing attacks, reset password, or cache poisoning. NOTE: the Supplier's...

CVE-2025-23001

A Host header injection vulnerability exists in CTFd 3.7.5, due to the application failing to properly validate or sanitize the Host header. An attacker can manipulate the Host header in HTTP requests, which may lead to phishing attacks, reset password, or cache poisoning. NOTE: the Supplier's...

CVE-2025-23001

A Host header injection vulnerability exists in CTFd version 3.7.5 because the application fails to properly validate or sanitize the Host header. An attacker can manipulate this header in HTTP requests to potentially facilitate phishing attacks , password resets , or cache poisoning . To mitigat...

CVE-2025-23001

A Host header injection vulnerability exists in CTFd 3.7.5, due to the application failing to properly validate or sanitize the Host header. An attacker can manipulate the Host header in HTTP requests, which may lead to phishing attacks, reset password, or cache poisoning. NOTE: the Supplier's...

CVE-2024-46242

The CTFd framework (version 3.7.3 ) contains a Regular expression Denial of Service (ReDoS) vulnerability in the validate_email function located at CTFd/utils/validators/__init__.py. Attackers can trigger this DoS by submitting a crafted string as an email address during the registration process....

CVE-2024-46242

An issue in the validateemail function in CTFd/utils/validators/init.py of CTFd 3.7.3 allows attackers to cause a Regular expression Denial of Service ReDoS via supplying a crafted string as e-mail address during registration...

CVE-2024-11716

While assignment of a user to a team bracket in CTFd should be possible only once, at the registration, a flaw in logic implementation allows an authenticated user to reset it's bracket and then pick a new one, joining another team while a competition is already ongoing. This issue impacts releas...

CVE-2024-11717

CTFd (CTFd project) is affected by CVE-2024-11717. Tokens used for account activation and password resets are interchangeable and are transmitted as GET parameters; tokens are not single-use and can be reused within the expiration window, enabling an on-path attacker to reset a password and take ...

CVE-2024-11716

CVE-2024-11716 (CTFd) : A logic flaw in CTFd allows an authenticated user to reset their bracket after registration and join another team while a competition is ongoing. Affected releases: 3.7.0—3.7.4. The issue was addressed in 3.7.5 via pull request 2636. Practical impact: potentially enables b...