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Application Security

Log injection attacks and how to stop forging your own audit trail

One unsanitized turns a log line into two, and a critical Log4j flaw with a CVSS score of 10.0 turned a log message into remote code execution.

Jul 15, 20265 min read
Application Security

RBAC vs. ABAC vs. ReBAC: choosing an access-control model for multi-tenant cloud apps

Google's Zanzibar paper (USENIX ATC 2019) showed relationship graphs authorizing access with sub-10ms latency at massive scale — here's when RBAC or ABAC beats it instead.

Jul 15, 20266 min read
Application Security

Nuxt 3 Security Hardening: CSP, SSR Leakage, and Safe Server Routes

Nuxt 3's server runs as one long-lived Node process — a single misplaced ref() can leak one user's data into another user's response.

Jul 15, 20266 min read
Application Security

The OWASP Top 10:2025, explained with minimal fix-it code

OWASP reordered its Top 10 for 2025 — Broken Access Control is back at #1 and a new Mishandling of Exceptional Conditions category debuts at #10.

Jul 15, 20269 min read
Application Security

Path traversal, decoded: canonicalization patterns across languages

CVE-2021-41773 turned a broken path-normalization routine in Apache 2.4.49 into remote code execution. Here's how canonicalization stops the whole bug class.

Jul 15, 20266 min read
Application Security

React and TypeScript security best practices for 2026

A 2025 npm phishing attack hit packages with 2.6 billion weekly downloads. Here's how React and TypeScript teams reduce XSS, API, and dependency risk.

Jul 15, 20266 min read
Application Security

Designing a secure Node.js API gateway: auth, rate limits, validation, and signing

CVE-2020-15084 let attackers forge JWTs against express-jwt because one algorithm check was missing — a case study in why gateways need four defense layers, not one.

Jul 15, 20266 min read
Application Security

Secure file uploads in Node.js and Fastify

CWE-22 path traversal climbed three spots to #5 on the 2024 CWE Top 25. Here's how to validate, store, and scan Fastify uploads without trusting the client.

Jul 15, 20266 min read
Application Security

Memory Leak Vulnerabilities: Causes and Detection

Memory leaks aren't just a performance bug — from Heartbleed to Samba's CVE-2018-16851, they're a documented attack surface. Here's how they're caused, scored, and detected.

Jul 15, 20267 min read
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