{"action":"Upgrade craftcms/cms to 4.18.2 or later.","affected":[{"fixed":"5.10.6","introduced":"5.0.0-RC1"},{"fixed":"4.18.2","introduced":"4.0.0-RC1"}],"component":"craftcms/cms","cve_ids":["CVE-2026-72779"],"ecosystem":"Packagist","epss":0.00376,"exploited":false,"fixed_versions":["5.10.6","4.18.2"],"ghsa_id":"GHSA-957r-qf9p-67xw","id":"tcs_01M5KEZP06A69GZ0FAEYVVV10B","modified_at":"2026-09-01T21:15:07.794586863Z","published_at":"2026-08-06T21:54:45Z","references":["https://osv.dev/vulnerability/GHSA-957r-qf9p-67xw","https://github.com/craftcms/cms/security/advisories/GHSA-957r-qf9p-67xw","https://nvd.nist.gov/vuln/detail/CVE-2026-72779","https://github.com/craftcms/cms/commit/7c96fd73df936a10e8f85ae6ef61a9fc3f277c12","https://github.com/craftcms/cms/commit/87978f11c8f986c40ef41b941d79547230c4d6d9","https://github.com/craftcms/cms","https://github.com/craftcms/cms/releases/tag/4.18.2","https://github.com/craftcms/cms/releases/tag/5.10.6","https://www.vulncheck.com/advisories/craft-cms-rc1-before-arbitrary-file-read-via-splfileobject"],"severity":{"label":"medium","score":4.5},"sources":[{"source":"osv","source_id":"GHSA-957r-qf9p-67xw","url":"https://osv.dev/vulnerability/GHSA-957r-qf9p-67xw"},{"source":"nvd","source_id":"CVE-2026-72779","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72779"}],"summary":"Craft CMS: Arbitrary file read via SplFileObject in non-sandboxed template contexts"}