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CVE-2026-70480

Open WebUI: Client-side SSRF via unrestricted external resource loading in Vega/Vega-Lite chart rendering PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
open-webui / open-webuiaffected >= 0.6.34, < 0.11.0

CWE

CWE-918

References

ADP enrichment

CISA-ADP

No English description supplied.