CVE-2026-109294

6.5 MEDIUMpublic exploit available

Published 2026-10-12 · Updated 2026-10-13

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-400

Public exploit & PoC references

https://github.com/open-webui/open-webui/security/advisories/GHSA-w8j8-jv6j-3m47

All references

https://github.com/open-webui/open-webui/security/advisories/GHSA-w8j8-jv6j-3m47
https://www.vulncheck.com/advisories/open-webui-0.6.42-before-0.11.4-memory-exhaustion-via-compressed-remote-image

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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