CVE-2026-109294

Open WebUI versions 0.6.42 before 0.11.4 are vulnerable to an uncontrolled resource consumption vulnerability (CWE-400). Authenticated users can trigger a denial of service for all users by providing compressed remote image URLs in chat messages. The flaw exists in the get_image_base64_from_url f...

CVE-2026-109294 Open WebUI 0.6.42 before 0.11.4 Memory Exhaustion via Compressed Remote Image

Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by supplying compressed remote image URLs in chat messages. Attackers can point the image field at a host returning gzip-encoded responses, whi...