{"action":"Upgrade getgrav/grav to 1.8.0-beta.27 or later.","affected":[{"fixed":"1.8.0-beta.27","introduced":"0"}],"component":"getgrav/grav","cve_ids":["CVE-2025-66296"],"ecosystem":"Packagist","epss":0.00318,"exploited":false,"fixed_versions":["1.8.0-beta.27"],"ghsa_id":"GHSA-cjcp-qxvg-4rjm","id":"tcs_01M5KF11CB9T06KS9T2JBSM8TR","modified_at":"2026-09-10T03:50:58.713800994Z","published_at":"2025-12-02T00:35:18Z","references":["https://osv.dev/vulnerability/GHSA-cjcp-qxvg-4rjm","https://github.com/getgrav/grav/security/advisories/GHSA-cjcp-qxvg-4rjm","https://nvd.nist.gov/vuln/detail/CVE-2025-66296","https://github.com/getgrav/grav/commit/3462d94d575064601689b236508c316242e15741","https://github.com/getgrav/grav"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-cjcp-qxvg-4rjm","url":"https://osv.dev/vulnerability/GHSA-cjcp-qxvg-4rjm"}],"summary":"Grav vulnerable to Privilege Escalation in Grav Admin: Missing Username Uniqueness Check Allows Admin Account Takeover"}