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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-109294

Open WebUI 0.6.42 before 0.11.4 Memory Exhaustion via Compressed Remote Image

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

open-webui open-webui

Default version status: unaffected

  • 0.6.42 to < 0.11.4affected
  • 0.11.4unaffected
pkg:pypi/open-webui

References