Vulnerability Analysis
In-depth guides and analysis on vulnerability analysis from the Safeguard engineering team.
577 articles
CVE-2026-34486: When the Encryption You Configured Doesn't Apply
Apache Tomcat's EncryptInterceptor exists to encrypt cluster replication traffic. CVE-2026-34486 lets that protection be bypassed — the config says encrypted, the wire says otherwise.
A CVSS 5.3 That Cisco Rated High: Static Credentials in Firewall Management Center
CVE-2026-20316 scores 5.3. Cisco rated its security impact High anyway, and CISA added it to the KEV catalogue. On a firewall management appliance, the base score measures the wrong thing.
Docker symlink race condition escape (CVE-2018-15664)
A TOCTOU race in Docker's docker cp symlink resolution let malicious containers write to host files as root. Impact, CVSS, and fixes inside.
Docker Engine crafted image denial of service (CVE-2021-21285)
CVE-2021-21285 lets a crafted container image crash Docker Engine before 20.10.3. Affected versions, severity, timeline, and remediation steps.
Docker Engine remap-root UID mapping vulnerability (CVE-2021-21284)
CVE-2021-21284 let remapped-root containers escalate to real host root, defeating Docker's userns-remap isolation. Here's the full breakdown and fix.
What is prototype pollution and why it keeps recurring in npm packages
Prototype pollution has hit lodash, jQuery, minimist, hoek, and immer since 2018. Here's how the bug works and why it keeps coming back in npm.
Path traversal vulnerabilities explained with real-world examples
Path traversal (CWE-22) has powered CVEs from Apache to Citrix to F5. Here's how it works, real breaches, and how to stop it.
Server-Side Request Forgery (SSRF): how it works and how to prevent it
SSRF turns a server into an attacker's proxy into your internal network. Here's how it works, what Capital One's breach taught the industry, and how to stop it.
Cross-site scripting (XSS) explained for developers
XSS has topped vulnerability lists for two decades. Here's how reflected, stored, and DOM-based XSS actually work, real incidents, and how to fix them.
SQL injection: a complete developer's guide
A developer's guide to SQL injection: how it works, why CWE-89 still ranks in MITRE's Top 25, real breaches, and how to detect and fix it.
OS command injection explained
OS command injection lets attackers run arbitrary shell commands via unsanitized input. See how it works, real CVEs like PAN-OS 2024, and fixes.
Insecure deserialization vulnerabilities explained
Insecure deserialization vulnerabilities let attackers turn trusted classes into gadget chains for RCE. See real CVEs, affected languages, and fixes.
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