{"action":"Upgrade winter/wn-system-module to 1.2.13 or later.","affected":[{"fixed":"1.2.13","introduced":"1.2.7"}],"component":"winter/wn-system-module","cve_ids":["CVE-2026-79774"],"ecosystem":"Packagist","epss":0.00808,"exploited":false,"fixed_versions":["1.2.13"],"ghsa_id":"GHSA-8cfw-pcwh-v63w","id":"tcs_01M5KEYY6G5Z35YQ2ES7RZAE45","modified_at":"2026-08-27T04:10:44.263023587Z","published_at":"2026-08-20T18:44:23Z","references":["https://osv.dev/vulnerability/GHSA-8cfw-pcwh-v63w","https://github.com/wintercms/winter/security/advisories/GHSA-8cfw-pcwh-v63w","https://github.com/wintercms/winter/commit/725bbcda232466f7f71381c271c6916573d576e6","https://github.com/advisories/GHSA-xhw3-4j3m-hq53","https://github.com/wintercms/winter","https://github.com/wintercms/winter/releases/tag/v1.2.13"],"severity":{"label":"high","score":8.4},"sources":[{"source":"osv","source_id":"GHSA-8cfw-pcwh-v63w","url":"https://osv.dev/vulnerability/GHSA-8cfw-pcwh-v63w"}],"summary":"Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)"}