{"action":"Upgrade composer/composer to 1.10.23 or later.","affected":[{"fixed":"1.10.23","introduced":"0"},{"fixed":"2.1.9","introduced":"2.0.0-alpha1"}],"component":"composer/composer","cve_ids":["CVE-2021-41116"],"ecosystem":"Packagist","epss":0.02825,"exploited":false,"fixed_versions":["1.10.23","2.1.9"],"ghsa_id":"GHSA-frqg-7g38-6gcf","id":"tcs_01M5KF21V0FB1Y6EZJP1TAR5ZG","modified_at":"2026-07-08T06:29:33.018363297Z","published_at":"2021-10-05T20:23:18Z","references":["https://osv.dev/vulnerability/GHSA-frqg-7g38-6gcf","https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf","https://nvd.nist.gov/vuln/detail/CVE-2021-41116","https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa","https://github.com/FriendsOfPHP/security-advisories/blob/master/composer/composer/CVE-2021-41116.yaml","https://github.com/composer/composer","https://www.sonarsource.com/blog/securing-developer-tools-package-managers","https://www.tenable.com/security/tns-2022-09"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-frqg-7g38-6gcf","url":"https://osv.dev/vulnerability/GHSA-frqg-7g38-6gcf"}],"summary":"Improper escaping of command arguments on Windows leading to command injection"}