XXE in Grav
CVE-2026-56701
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 extern…
Vulnerability class: XXE (XML External Entity)
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Grav — versions 0, 2.0.0-beta.2
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56701?
- CVE-2026-56701 is a medium-severity vulnerability in Grav, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2026-06-23.
- How severe is CVE-2026-56701?
- Medium severity. CVSS v3 base score is 6.5 out of 10.