{"action":"Upgrade concrete5/concrete5 to 9.5.1 or later.","affected":[{"fixed":"9.5.1","introduced":"0"}],"component":"concrete5/concrete5","cve_ids":["CVE-2026-8337"],"ecosystem":"Packagist","epss":0.00194,"exploited":false,"fixed_versions":["9.5.1"],"ghsa_id":"GHSA-8c7c-h7px-267g","id":"tcs_01M5KEYXXDV1K5DHDMFH92650R","modified_at":"2026-09-10T03:51:04.884031831Z","published_at":"2026-05-22T00:31:17Z","references":["https://osv.dev/vulnerability/GHSA-8c7c-h7px-267g","https://nvd.nist.gov/vuln/detail/CVE-2026-8337","https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes","https://github.com/concretecms/concretecms"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-8c7c-h7px-267g","url":"https://osv.dev/vulnerability/GHSA-8c7c-h7px-267g"}],"summary":"Concrete CMS is vulnerable to IDOR in surveys"}