Security Advisory

CVE-2026-42607

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-11 14:58:42

Last updated 2026-05-12 13:46:49

Assigner GitHub_M

CVSS score 9.1

State PUBLISHED

Description

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with administrative privileges can achieve Remote Code Execution (RCE) by uploading a specially crafted ZIP file through the "Direct Install" tool. While the system attempts to block direct .php file uploads, it fails to inspect the contents of uploaded ZIP archives. Once a malicious plugin is extracted, it can execute arbitrary PHP code or drop a persistent web shell on the server. This vulnerability is fixed in 2.0.0-beta.2.

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