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Package · Debian

php-league-flysystem

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • Low 3.5
    CVE-2026-102601

    Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

    Flysystem is an open source file storage library for PHP. Prior to 3.35.3, the default WhitespacePathNormalizer in src/WhitespacePathNormalizer.php used by Filesystem across adapters calls preg_match with the u modifier and treats both false and 0 as falsy. A…

    thephpleague flysystem php-league-flysystem league/flysystem Debian Ubuntu Packagist
  • Critical 9.8
    CVE-2021-32708 Public exploit

    Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem

    Flysystem is an open source file storage library for PHP. The whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely. The condition…

    thephpleague flysystem league/flysystem php-league-flysystem Debian Ubuntu Packagist