{"action":"Upgrade craftcms/cms to 4.17.0-beta.1 or later.","affected":[{"fixed":"5.9.0-beta.1","introduced":"5.0.0-RC1"},{"fixed":"4.17.0-beta.1","introduced":"4.0.0-RC1"}],"component":"craftcms/cms","cve_ids":["CVE-2026-28782"],"ecosystem":"Packagist","epss":0.00249,"exploited":false,"fixed_versions":["5.9.0-beta.1","4.17.0-beta.1"],"ghsa_id":"GHSA-jxm3-pmm2-9gf6","id":"tcs_01M5KF50KBJM8SE3H3Y9TKF4TS","modified_at":"2026-03-04T18:46:31.766924Z","published_at":"2026-03-03T21:05:12Z","references":["https://osv.dev/vulnerability/GHSA-jxm3-pmm2-9gf6","https://github.com/craftcms/cms/security/advisories/GHSA-jxm3-pmm2-9gf6","https://nvd.nist.gov/vuln/detail/CVE-2026-28782","https://github.com/craftcms/cms/commit/fb61a91357f5761c852400185ba931f51d82783d","https://github.com/craftcms/cms"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-jxm3-pmm2-9gf6","url":"https://osv.dev/vulnerability/GHSA-jxm3-pmm2-9gf6"}],"summary":"Craft CMS has Permission Bypass and IDOR in Duplicate Entry Action"}