{"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-2025-66299"],"ecosystem":"Packagist","epss":0.00608,"exploited":false,"fixed_versions":["1.8.0-beta.27"],"ghsa_id":"GHSA-gjc5-8cfh-653x","id":"tcs_01M5KF2TVN7JMXHK5YA60ZSP6D","modified_at":"2026-09-10T03:50:58.677297362Z","published_at":"2025-12-02T00:36:36Z","references":["https://osv.dev/vulnerability/GHSA-gjc5-8cfh-653x","https://github.com/getgrav/grav/security/advisories/GHSA-gjc5-8cfh-653x","https://nvd.nist.gov/vuln/detail/CVE-2025-66299","https://github.com/getgrav/grav/commit/e37259527d9c1deb6200f8967197a9fa587c6458","https://github.com/getgrav/grav"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-gjc5-8cfh-653x","url":"https://osv.dev/vulnerability/GHSA-gjc5-8cfh-653x"}],"summary":"Grav is Vulnerable to Security Sandbox Bypass with SSTI (Server Side Template Injection)"}