{"action":"Upgrade concrete5/concrete5 to 9.5.2 or later.","affected":[{"fixed":"9.5.2","introduced":"0"}],"component":"concrete5/concrete5","cve_ids":["CVE-2026-7888"],"ecosystem":"Packagist","epss":0.00385,"exploited":false,"fixed_versions":["9.5.2"],"ghsa_id":"GHSA-52pr-7vmf-2w7x","id":"tcs_01M5KEVGZ1KPYA46MWA0P9FAR5","modified_at":"2026-07-14T18:41:50.053157Z","published_at":"2026-06-03T21:30:30Z","references":["https://osv.dev/vulnerability/GHSA-52pr-7vmf-2w7x","https://nvd.nist.gov/vuln/detail/CVE-2026-7888","https://documentation.concretecms.org/9-x/developers/introduction/version-history/952-release-notes","https://github.com/concretecms/concretecms","https://github.com/concretecms/concretecms/releases/tag/9.5.2"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-52pr-7vmf-2w7x","url":"https://osv.dev/vulnerability/GHSA-52pr-7vmf-2w7x"}],"summary":"Concrete CMS is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components"}