Learn how JWT security vulnerabilities and misconfigurations occur, including algorithm confusion, weak secrets, alg: none, kid, jku, JWKS, claim validation, token replay, refresh token security, authorization flaws, key management, and secure JWT implementation practices.
Sometimes the hardest vulnerability to face isn't in a system — it's the one you find within yourself.
This write-up explains a Cross-Site Scripting vulnerability discovered in Intigriti Challenge 0526.
Buffer overflow is one of the most well-known memory safety vulnerabilities. While this issue is common in C/C++ ecosystems...
On April 28, 2026, a critical vulnerability was disclosed in cPanel, one of the most widely used web hosting control panels. Tracked as CVE-2026-41940, the flaw has a CVSS score of 9.8 (Critical) and allows unauthenticated attackers to gain full root administrative access.
Server-side template injection (Jinja2 SSTI) + unsigned JWT.
A quick look at the source shows a naïve validation step that checks whether the string “http” appears in the parameter, then directly passes it to curl_init().
Reverse engineering is the process of analyzing software to understand how it works when source code is unavailable or to study compiled artifacts. Python is a common target for reverse engineering because its bytecode and packaging formats (like .pyc and PyInstaller bundles) are relatively accessible.
In this document, we provide a comprehensive explanation of SQL Injection, a common and critical vulnerability affecting web applications.
Subdomain Takeover happens when a subdomain points to an inactive external resource (e.g., S3 bucket or GitHub repo), allowing attackers to exploit it by gaining control of the subdomain and using it for phishing, malware, or data theft.