CVE-2026-56701Grav - XML External Entity Injection via SVG Upload

Description

Grav before 2.0.0-beta.2 contains an XML external entity injection vulnerability in SVG file upload processing that allows authenticated attackers to read arbitrary files. The application uses simplexml_load_string without disabling external entity loading, enabling attackers to inject XXE payloads via malicious SVG files to exfiltrate sensitive data.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-3446-6mgw-f79p) vendor-advisory
• VulnCheck Advisory: Grav - XML External Entity Injection via SVG Upload third-party-advisory