{"action":"Upgrade league/flysystem to 1.1.4 or later.","affected":[{"fixed":"1.1.4","introduced":"0"},{"fixed":"2.1.1","introduced":"2.0.0"}],"component":"league/flysystem","cve_ids":["CVE-2021-32708"],"ecosystem":"Packagist","epss":0.03486,"exploited":false,"fixed_versions":["1.1.4","2.1.1"],"ghsa_id":"GHSA-9f46-5r25-5wfm","id":"tcs_01M5KEZZE01EFY0TN7HS3TV3Y2","modified_at":"2026-07-08T06:28:00.604230885Z","published_at":"2021-06-29T03:13:28Z","references":["https://osv.dev/vulnerability/GHSA-9f46-5r25-5wfm","https://github.com/thephpleague/flysystem/security/advisories/GHSA-9f46-5r25-5wfm","https://nvd.nist.gov/vuln/detail/CVE-2021-32708","https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74","https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32","https://github.com/FriendsOfPHP/security-advisories/blob/master/league/flysystem/CVE-2021-32708.yaml","https://github.com/thephpleague/flysystem","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWPTENBYKI2IG47GI4DHAACLNRLTWUR5","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNZSWK4GOMJOOHKLZEOE5AQSLC4DNCRZ","https://packagist.org/packages/league/flysystem"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-9f46-5r25-5wfm","url":"https://osv.dev/vulnerability/GHSA-9f46-5r25-5wfm"}],"summary":"Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem"}