{"action":"Upgrade craftcms/cms to 4.17.8 or later.","affected":[{"fixed":"5.9.14","introduced":"5.0.0-RC1"},{"fixed":"4.17.8","introduced":"4.0.0-RC1"}],"component":"craftcms/cms","cve_ids":["CVE-2026-33159"],"ecosystem":"Packagist","epss":0.00314,"exploited":false,"fixed_versions":["5.9.14","4.17.8"],"ghsa_id":"GHSA-6mrr-q3pj-h53w","id":"tcs_01M5KEX7CE7N5CHK7WC0CEJESD","modified_at":"2026-03-25T21:18:57.754958Z","published_at":"2026-03-24T16:57:17Z","references":["https://osv.dev/vulnerability/GHSA-6mrr-q3pj-h53w","https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w","https://nvd.nist.gov/vuln/detail/CVE-2026-33159","https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592","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"},"sources":[{"source":"osv","source_id":"GHSA-6mrr-q3pj-h53w","url":"https://osv.dev/vulnerability/GHSA-6mrr-q3pj-h53w"}],"summary":"Craft CMS: Unauthenticated Users Can Perform Restricted Project Config Sync Operations"}