CVE-2026-70480
4.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.34 until 0.11.0, Open WebUI renders vega and vega-lite fenced code blocks in chat content by building a Vega view in the viewer browser without a restricted resource loader. Any user who can place such a block where another user will see it can make that user browser issue attacker-chosen outbound GET requests and read responses from same-origin or CORS-permissive targets into the rendered page. This issue is fixed in 0.11.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| open-webui | open-webui | >= 0.6.34, < 0.11.0 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
References
- https://github.com/open-webui/open-webui/security/advisories/GHSA-rffm-9q57-q649
- https://github.com/open-webui/open-webui/pull/26806
- https://github.com/open-webui/open-webui/commit/5278eb906ebecefc6538a19bc86df09d997e43e6
- https://github.com/open-webui/open-webui/releases/tag/v0.11.0
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