CVE-2025-66294 - Grav is vulnerable to RCE via SSTI through Twig Sandbox Bypass

CVE ID : CVE-2025-66294 Published : Dec. 1, 2025, 9:15 p.m. | 39 minutes ago Description : Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Server-Side Template Injection (SSTI) vulnerability exists in Grav that allows authenticated attackers with editor permissions to execute arbitrary commands on the server and, under certain conditions, may also be exploited by unauthenticated attackers. This vulnerability stems from weak regex validation in the cleanDangerousTwig method. This vulnerability is fixed in 1.8.0-beta.27. Severity: 8.7 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

Source: Telegram CVE Monitor