{"action":"Upgrade concrete5/concrete5 to 9.5.1 or later.","affected":[{"fixed":"9.5.1","introduced":"0"}],"component":"concrete5/concrete5","cve_ids":["CVE-2026-8327"],"ecosystem":"Packagist","epss":0.00182,"exploited":false,"fixed_versions":["9.5.1"],"ghsa_id":"GHSA-wmw3-3fv3-h54w","id":"tcs_01M5KFA7J0THYSMHZQ2VQ6HW81","modified_at":"2026-09-10T03:50:47.920683405Z","published_at":"2026-05-22T00:31:16Z","references":["https://osv.dev/vulnerability/GHSA-wmw3-3fv3-h54w","https://nvd.nist.gov/vuln/detail/CVE-2026-8327","https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes","https://github.com/concretecms/concretecms"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-wmw3-3fv3-h54w","url":"https://osv.dev/vulnerability/GHSA-wmw3-3fv3-h54w"},{"source":"nvd","source_id":"CVE-2026-8327","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8327"}],"summary":"Concrete CMS has a session-hardening bypass and allows password change without reauthorization"}