CVE-2026-56701

MEDIUM

Grav - XML External Entity Injection via SVG Upload

Title source: cna

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.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory

GitHub Security Advisory (GHSA-3446-6mgw-f79p)

https://github.com/getgrav/grav/security/advisories/GHSA-3446-6mgw-f79p

Third Party Advisory third-party-advisory

VulnCheck Advisory: Grav - XML External Entity Injection via SVG Upload

https://www.vulncheck.com/advisories/grav-xml-external-entity-injection-via-svg-upload

Scores

CVSS v3 6.5

EPSS 0.0023

EPSS Percentile 14.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-611

Status published

Products (2)

Grav/Grav < 2.0.0-beta.2

Grav/Grav 2.0.0-beta.2

Published Jun 23, 2026

Tracked Since Jun 23, 2026