Summary A typical pitfall when integrating SQLAdmin (or any admin panel) with FastAPI is misusing the secret_key and a custom token within session management. This postmortem analyzes a common user implementation where the token in the session is set to a static literal string (“secret”), and the secret_key is often left unmanaged or hard-coded. The … Read more
Summary The provided Python code is a terminal-based implementation of Tic-Tac-Toe. During the postmortem investigation of the reported issue, we identified two distinct categories of defects: logical failures causing the game to break and security vulnerabilities that render the program unsafe to run in a production or shared environment. The game initially functions but eventually … Read more
Summary A Node.js 18 function app deployment on Azure failed to authenticate with Azure SQL, producing AggregateError Security token could not be authenticated or authorized (EFEDAUTH). The failure occurred in a newer Docker image while older images worked, necessitating a rollback. The root cause was an invalid Managed Identity configuration or missing token audience scope, … Read more
Summary A production outage occurred where a React frontend on Vercel could not authenticate against a Spring Boot backend on Render, resulting in 403 Forbidden errors. The root cause was misconfigured SameSite cookie attributes and missing CSRF protection. While SameSite=None was intended, it requires the Secure attribute and explicitly requires SameSite=None (case-sensitive). More critically, disabling … Read more
Summary A web server is experiencing anomalous traffic with high-volume requests originating primarily from China. The sessions show near-zero dwell time, suggesting the traffic is low-quality bot activity rather than legitimate users. This behavior typically indicates scraping bots, directory scanning, or credential stuffing attempts. The immediate goal is to identify the true nature of the … Read more
Summary Completely disabling the local login password on a default Ubuntu installation used as a single-user system introduces several security vulnerabilities and attack vectors. Although the machine is not physically accessible to untrusted individuals and no remote login services are installed, there are still realistic remote and local privilege-escalation risks that depend on the presence … Read more
Summary The issue at hand involves an inability to properly obtain and verify a RECAPTCHA v2 response in a web project that utilizes both Typescript and PHP. The goal is to integrate Google’s RECAPTCHA service to enhance security by verifying that form submissions are initiated by humans, not automated bots. Root Cause The root cause … Read more
Summary The issue at hand is the inability to send a client certificate to an nginx server using mTLS 1.3 with a Java implementation that utilizes BouncyCastle. The client certificate is self-signed and stored in a Java Keystore. The problem persists despite the certificate being accepted when manually exported and used with Firefox to connect … Read more
Summary Fixing Terraform security issues requires a combination of internal documentation, shared modules, code reviews, and automation. Teams can leverage these strategies to ensure that their Terraform configurations are secure and compliant with best practices. Root Cause The root cause of Terraform security issues is often a lack of security expertise among application engineers, leading … Read more
Summary The AADSTS500133 error occurs when the access token is not within its valid time range, causing issues with On-Behalf-Of (OBO) authentication in Azure WebApp. This error is encountered when using the Python SDK and Streamlit UI to connect to Fabric Data Agent. Root Cause The root cause of this issue is: Expired access token: … Read more