Picomatch: Method Injection in POSIX Character Classes causes incorrect Glob Matching

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CVE-2026-33672

Picomatch is a glob matcher written JavaScript. Versions prior to 4.0.4, 3.0.2, and 2.3.2 are vulnerable to a method injection vulnerability affecting the "POSIXREGEXSOURCE" object. Because the object inherits from "Object.prototype", specially crafted POSIX bracket expressions e.g.,...