{"action":"Upgrade statamic/cms to 6.4.0 or later.","affected":[{"fixed":"6.4.0","introduced":"6.0.0"}],"component":"statamic/cms","cve_ids":["CVE-2026-27939"],"ecosystem":"Packagist","epss":0.00426,"exploited":false,"fixed_versions":["6.4.0"],"ghsa_id":"GHSA-rw9x-pxqx-q789","id":"tcs_01M5KF8MQCWVQ0NCYQ3VYDVDQA","modified_at":"2026-03-04T15:06:33.729954Z","published_at":"2026-02-27T21:35:00Z","references":["https://osv.dev/vulnerability/GHSA-rw9x-pxqx-q789","https://github.com/statamic/cms/security/advisories/GHSA-rw9x-pxqx-q789","https://nvd.nist.gov/vuln/detail/CVE-2026-27939","https://github.com/statamic/cms/commit/8639ef96217eaa682bc42e8a62769cb7c6a85d3a","https://github.com/statamic/cms"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-rw9x-pxqx-q789","url":"https://osv.dev/vulnerability/GHSA-rw9x-pxqx-q789"}],"summary":"Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass"}