Vulnerabilities
7 Apache Struts Mistakes That Leave Your Server Open to Attack
Misconfigured parsers and outdated libraries allow attackers to execute arbitrary code on your server without needing valid credentials.
input validation
Everything NetSec Observer has reported about input validation: 6 stories, newest first. Part of our Vulnerabilities coverage.
Vulnerabilities
Lychee validation flaw CVE-2026-77466 enables free checkout; fix in v7.7.0
A validation flaw in Lychee photo manager lets users complete checkouts using a dummy provider, triggering automatic item delivery without real payment.
Vulnerabilities
7 SSRF Mistakes That Expose Internal Networks to Attack
Server-side request forgery often succeeds because code trusts user-supplied URLs without verifying the destination or restricting outbound network paths.
Vulnerabilities
Command Injection: How It Works and How to Stop It
Command injection lets attackers run system commands by tricking applications into treating user input as executable code rather than data.
Vulnerabilities
Stop Command Injection: Practical Prevention Measures That Work
Input validation fails because context matters; you must escape data for the specific shell parser or use language-native APIs that bypass the shell entirely.
Vulnerabilities
Prevent SQL Injection: Stop Database Hacks at the Source
Parameterized queries separate code from data, making it impossible for attackers to alter your database logic through input fields.