What is GHSA-m9q3-jjxm-j9pj?

GHSA-m9q3-jjxm-j9pj is a security advisory published by GitHub Security Advisories with High severity. Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability...

Which CVE IDs does GHSA-m9q3-jjxm-j9pj cover?

GHSA-m9q3-jjxm-j9pj covers the following CVE IDs: CVE-2026-109294. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m9q3-jjxm-j9pj?

GHSA-m9q3-jjxm-j9pj has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-m9q3-jjxm-j9pjHighCVSS 6.5

Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability...

Vendor

GitHub Security Advisories

Published

October 12, 2026

Last Modified

October 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-109294 →

📋 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.

🔗 References (4)

https://github.com/open-webui/open-webui/security/advisories/GHSA-w8j8-jv6j-3m47
https://nvd.nist.gov/vuln/detail/CVE-2026-109294
https://www.vulncheck.com/advisories/open-webui-0.6.42-before-0.11.4-memory-exhaustion-via-compressed-remote-image
https://github.com/advisories/GHSA-m9q3-jjxm-j9pj