{"action":"Upgrade winter/wn-backend-module to 1.2.13 or later.","affected":[{"fixed":"1.2.13","introduced":"0"}],"component":"winter/wn-backend-module","cve_ids":["CVE-2026-63179"],"ecosystem":"Packagist","epss":0.00515,"exploited":false,"fixed_versions":["1.2.13"],"ghsa_id":"GHSA-58fp-mcx6-7qf9","id":"tcs_01M5KEVSXR3WFHRRR9PN12WM64","modified_at":"2026-08-20T19:11:03.896235Z","published_at":"2026-08-20T18:43:33Z","references":["https://osv.dev/vulnerability/GHSA-58fp-mcx6-7qf9","https://github.com/wintercms/winter/security/advisories/GHSA-58fp-mcx6-7qf9","https://github.com/wintercms/storm/commit/af770331c683e628533a6ec2991285d6e10a4d6c","https://github.com/wintercms/winter/commit/130f0ea43e9228bf0d129b481da1cdfbcc4b4456","https://github.com/wintercms/winter","https://github.com/wintercms/winter/releases/tag/v1.2.13"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"GHSA-58fp-mcx6-7qf9","url":"https://osv.dev/vulnerability/GHSA-58fp-mcx6-7qf9"}],"summary":"Winter: Local File Inclusion through @import directives in LESS compilation of backend customizable stylesheets and theme assets"}