CVE-2026-56701

MEDIUM 6.5

Grav - XML External Entity Injection via SVG Upload

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-611
Vendor	grav
Product	grav
Published	Jun 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Grav / Grav

0 < 2.0.0-beta.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/getgrav/grav/security/advisories/GHSA-3446-6mgw-f79p vulncheck.com: https://www.vulncheck.com/advisories/grav-xml-external-entity-injection-via-svg-upload