Security vulnerabilities and automated fixes for cve 2026 13149 issues
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CVE-2026-13149 is a denial of service vulnerability in the brace-expansion library that allows attackers to craft specially-formatted input strings that trigger exponential-time complexity in the expansion algorithm. This fix upgrades brace-expansion from version 1.1.15 to 1.1.16, eliminating the algorithmic flaw that could freeze applications processing untrusted input patterns.