Application Security
Uncaught Exception Security Risks
An uncaught exception isn't just a crash: it caused the Equifax breach and Log4j outages. See how exception-handling bugs become real security incidents.
Jul 14, 20267 min read
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Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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Insufficient Encapsulation Vulnerabilities
An insufficient encapsulation vulnerability (CWE-485) exposes internal state to untrusted code. See how it drove real CVEs in Velocity, Lodash, and BeanUtils.
Jul 14, 20267 min read
Application Security
Generation of Predictable Numbers or Identifiers
From Debian's 2008 OpenSSL bug to First American's 885-million-record leak, predictable identifiers keep breaking security. Here's how the vulnerability works and how to stop it.
Jul 14, 20267 min read
Application Security
XSS defaults and escape hatches: React, Vue, and Angular compared
All three major frameworks escape output by default, but each ships a named escape hatch that turns raw HTML back on — and only one sanitizes it automatically.
Jul 14, 20266 min read
Application Security
ssl vs. requests vs. httpx: where Python TLS configuration goes wrong
Python didn't verify TLS certificates by default until PEP 476 landed in 2014 — a decade later, one stray verify=False call still reopens that exact hole.
Jul 14, 20265 min read
Application Security
Preventing XSS in Django applications
Django escapes template output by default, but mark_safe() and format_html() misuse routinely reopen the exact XSS holes auto-escaping was built to close.
Jul 14, 20266 min read
Application Security
Preventing path traversal in Node.js file upload and serving code
path.join() doesn't stop ../../etc/passwd — CVE-2024-12905 and Zip Slip show why Node.js needs explicit containment checks, not just path normalization.
Jul 14, 20266 min read
Application Security
Detecting and preventing Zip Slip and path traversal in Java
Snyk's 2018 Zip Slip disclosure hit Amazon, Apache, and LinkedIn projects at once — here's how the flaw still hides in Java archive code today, and how to catch it.
Jul 14, 20265 min read
Application Security
Why Node.js's vm module is not a security sandbox
Node's own docs warn the vm module isn't a security mechanism — vm2, built on top of it, still shipped two CVSS 9.8 sandbox escapes in 2023.
Jul 14, 20266 min read
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