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…
Published: 2026-10-12 · CVSS: 7.1 · CVSS 4.0
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, which get_image_base64_from_url decompresses unbounded, causing denial of service for all users.
Source: CVE Program · Revision 2bc2f154a9513fd639cf69e09a5cddfaedf57bdc