Vulnerability · Published Jun 23, 2026 · Assigned by VulnCheck

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

Medium 6.5

In plain English

A medium-severity XML external entity in Grav from Grav. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 76.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	getgrav/grav	2.0.0-beta.2	GHSA-3446-6mgw-f79p

Affected products (as reported)

Vendor	Product	Versions
Grav	Grav	0 – before 2.0.0-beta.2

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

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