{"action":"Upgrade craftcms/cms to 4.17.8 or later.","affected":[{"fixed":"4.17.8","introduced":"4.0.0-RC1"},{"fixed":"5.9.14","introduced":"5.0.0-RC1"}],"component":"craftcms/cms","cve_ids":["CVE-2026-33158"],"ecosystem":"Packagist","epss":0.00359,"exploited":false,"fixed_versions":["4.17.8","5.9.14"],"ghsa_id":"GHSA-3pvf-vxrv-hh9c","id":"tcs_01M5KET6RANAZYMWECC66H6VK6","modified_at":"2026-03-25T21:19:03.776320Z","published_at":"2026-03-24T16:53:24Z","references":["https://osv.dev/vulnerability/GHSA-3pvf-vxrv-hh9c","https://github.com/craftcms/cms/security/advisories/GHSA-3pvf-vxrv-hh9c","https://nvd.nist.gov/vuln/detail/CVE-2026-33158","https://github.com/craftcms/cms/commit/7290d91639e5e3a4f7e221dfbef95c9b77331860","https://github.com/craftcms/cms","https://github.com/craftcms/cms/releases/tag/4.17.8","https://github.com/craftcms/cms/releases/tag/5.9.14"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-3pvf-vxrv-hh9c","url":"https://osv.dev/vulnerability/GHSA-3pvf-vxrv-hh9c"},{"source":"nvd","source_id":"CVE-2026-33158","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33158"}],"summary":"Craft CMS: Low-privilege users could read private asset contents when editing an asset (IDOR)"}