{"action":"Upgrade concrete5/concrete5 to 9.5.1 or later.","affected":[{"fixed":"9.5.1","introduced":"0"}],"component":"concrete5/concrete5","cve_ids":["CVE-2026-7887"],"ecosystem":"Packagist","epss":0.00172,"exploited":false,"fixed_versions":["9.5.1"],"ghsa_id":"GHSA-f54h-78c9-c24h","id":"tcs_01M5KF1F3KG2KM3BK6K54G107Y","modified_at":"2026-09-10T03:51:05.396041320Z","published_at":"2026-05-22T00:31:16Z","references":["https://osv.dev/vulnerability/GHSA-f54h-78c9-c24h","https://nvd.nist.gov/vuln/detail/CVE-2026-7887","https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes","https://github.com/concretecms/concretecms"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"GHSA-f54h-78c9-c24h","url":"https://osv.dev/vulnerability/GHSA-f54h-78c9-c24h"},{"source":"nvd","source_id":"CVE-2026-7887","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7887"}],"summary":"Concrete CMS: OAuth 2.0 Authorization-Code Handler Bypasses Account Status"}