CVE-2025-59833

Flag Forge CTI platform vulnerable versions 2.1.0–2.2.9 expose hints in plaintext within the GET /api/problems/:id response, revealing unreleased hints regardless of deduction. This information disclosure undermines business logic and challenge integrity. The issue is patched in version 2.3.0. Re...

CVE-2025-59827

Flag Forge CT F Platform, version 2.1.0, exposes a privilege escalation risk via /api/admin/assign-badge due to missing access control, allowing any authenticated user to self-assign high-privilege badges (e.g., Staff) and impersonate admins. The issue is mitigated by upgrading to version 2.2.0, ...

CVE-2025-59826

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...

CVE-2025-59826 FlagForgeCTF Vulnerable to Unauthorized Problem Creation

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...

CVE-2025-59826 FlagForgeCTF Vulnerable to Unauthorized Problem Creation

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...

CVE-2025-59826

Flag Forge CT F platform (CVE-2025-59826) is affected in version 2.1.0 where non-admin users can create arbitrary challenges, potentially introducing malicious, incorrect, or misleading content. The issue is mitigated by upgrading to version 2.2.0. Connected sources consistently describe the vuln...

PT-2025-39216

Name of the Vulnerable Software and Affected Versions Flag Forge versions prior to 2.2.0 Description Flag Forge is a Capture The Flag CTF platform. Non-admin users are able to create arbitrary challenges, which could lead to the introduction of malicious, incorrect, or misleading content...

exploit_me

This is a vulnerable ARM/AARCH64 application, specifically designed for a CTF Capture The Flag style exploitation tutorial. The application is written in C and is intended to demonstrate various types of vulnerabilities, including integer overflow, stack overflow, array overflow, off-by-one, stac...

CTFium

This is a collection of CTF Capture The Flag writeups by PersianCats. It is a repository of technical writeups for various CTF challenges from different events. The writeups cover a range of topics, including exploitation of vulnerabilities, reverse engineering, and binary analysis. The repositor...

pwntools

This is a CTF Capture The Flag framework and exploit development library. It is a Python library that provides a set of tools for developing exploits and performing penetration testing. The library is designed to be extensible and customizable, allowing users to easily add new features and plugin...

enumy

Enumy Enumy is an ultra fast portable executable that you drop on target Linux machine during a pentest or CTF in the post exploitation phase. Running enumy will enumerate the box for common security vulnerabilities. Installation You can download the final binary from the release x86 or x64 tab...

PayloadsAllTheThings

It is an offensive tool for Web Application Security and Pentest/CTF. This repository contains a list of useful payloads and bypass techniques for web application security and penetration testing/CTF. The payloads are likely used for testing and exploiting vulnerabilities in web applications. The...

xss

This is a web application for a free online web and mobile security class, Hacker101. The application is built using Jekyll, a static site generator, and is hosted on GitHub Pages. The site provides a variety of resources, including videos, resources, and a CTF Capture The Flag section. The...

MAL-2025-41654 Malicious code in ctf-q21-empire-tmp-test123 (PyPI)

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Malicious code in ctf-q21-empire-tmp-bw134349 (PyPI)

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Malicious code in ctf-q21-empire-tmp-bw134348 (PyPI)

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Training Language Model Agents to Find Vulnerabilities with CTF-Dojo

Large language models LLMs have demonstrated exceptional capabilities when trained within executable runtime environments, notably excelling at software engineering tasks through verified feedback loops. Yet, scalable and generalizable execution-grounded environments remain scarce, limiting...

Towards Effective Offensive Security LLM Agents: Hyperparameter Tuning, LLM As a Judge, and a Lightweight CTF Benchmark

Recent advances in LLM agentic systems have improved the automation of offensive security tasks, particularly for Capture the Flag CTF challenges. We systematically investigate the key factors that drive agent success and provide a detailed recipe for building effective LLM-based offensive securi...

A Human Study of Cognitive Biases in Web Application Security

Cybersecurity training has become a crucial part of computer science education and industrial onboarding. Capture the Flag CTF competitions have emerged as a valuable, gamified approach for developing and refining the skills of cybersecurity and software engineering professionals. However, while...

Evaluating AI Cyber Capabilities with Crowdsourced Elicitation

As AI systems become increasingly capable, understanding their offensive cyber potential is critical for informed governance and responsible deployment. However, it's hard to accurately bound their capabilities, and some prior evaluations dramatically underestimated them. The art of extracting...