{"schemaVersion":3,"id":"CVE-2026-59946","aliases":["RHSA-2026:34854","UBUNTU-CVE-2026-59946","DEBIAN-CVE-2026-59946"],"status":"published","duplicateOf":null,"title":null,"description":"Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. 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