SSRF in Appwrite

CVE-2026-108770

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Appwrite — versions 2.0, 2.1, 2.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-108770?
CVE-2026-108770 is a medium-severity vulnerability in Appwrite, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-10-11.
How severe is CVE-2026-108770?
Medium severity. CVSS v3 base score is 5.3 out of 10.