CVE-2026-108770 Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the Appwrite Browser Screenshot Service to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108770?
CVE-2026-108770 is a medium-severity server-side request forgery vulnerability in Appwrite, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in Appwrite up to 2.3.0. This vulnerability affects the function PublicHostname of the file src/Appwrite/Platform/Modules/Avatars/Http/Screenshots/Get.php of the component Browser Screenshot Service. This manipulation of the argument url causes server-side request forgery. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to resolve this issue. Patch name: 393255e7302ae5503331d45802e2eee01c6a47fe. You should upgrade the affected component.
Weakness: CWE-918
Which versions are affected by CVE-2026-108770?
How do I fix CVE-2026-108770?
No fix has been published for CVE-2026-108770 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-108770 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108770 exists.
Sources
Also known as GHSA-cfw6-h8vp-h745.