CVE-2026-56400

HIGH
8.3CVSS v3
CVSS v2
0.35% EPSS (exploit probability)
CWE-613CWE

Description

open-webui before 0.3.14 contains a cross-origin resource sharing misconfiguration allowing arbitrary origins with allow_origins=* and authenticated requests to the /api/v1/functions endpoint. Attackers can execute arbitrary code on the openwebui instance by crafting malicious cross-site requests from attacker-controlled websites when an admin user visits them.

CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references