Security vulnerabilities and automated fixes for zip processing issues
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A critical vulnerability in adm-zip (CVE-2026-39244) allowed attackers to craft malicious ZIP files that trigger unbounded brace expansion, causing excessive memory allocation and process crashes. The CortexKit project fixed this by upgrading adm-zip from 0.5.17 to 0.6.0, which implements bounds checking on expansion operations. This vulnerability demonstrates why dependency management and timely security updates are essential for production Node.js applications.