
Vulnerabilities & ExploitsBlack October Vulnerabilities: Node.js, Nginx, and Server-Side Exploits Analyzed
A detailed review of 15 critical and high-severity vulnerabilities disclosed in October reveals that only a handful actually affected a production server running Astro, Strapi, Nginx, and Ubuntu 24.04. Node.js remained unpatched for four days, exposing a Brotli decompression flaw that could lead to remote code execution. Nginx packages lagged behind security updates despite unattended-upgrades being enabled, though configuration checks showed most CVEs did not apply. PHP and GitLab issues were irrelevant due to their absence from the stack. The author also migrated away from inline scripts and third-party dependencies to reduce attack surface. Commands for verifying package changelogs, detecting deleted binaries in memory, and confirming librsvg fixes in sharp are provided throughout the analysis.
HabrOct 29, 2026Translated from Russian
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