CVE-2026-56701 Grav - XML External Entity Injection via SVG Upload
Authenticated attackers can read arbitrary files via XXE injection in SVG uploads due to unsafe XML parsing in Grav CMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-56701?
CVE-2026-56701 is a high-severity vulnerability in Grav, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-611
Which versions are affected by CVE-2026-56701?
2 open source packages ship an affected version, including getgrav/grav.
| Package | Affected | Fixed in |
|---|---|---|
getgrav/grav Packagist | All versions | 2.0.0-beta.2 |
getgrav/grav Packagist | All versions | 2.0.0-beta.2 |
How do I fix CVE-2026-56701?
Upgrade getgrav/grav to 2.0.0-beta.2 or later.
Is CVE-2026-56701 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56701 exists.
Sources
Also known as GHSA-3446-6mgw-f79p.