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CVE-2026-59216

Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id PUBLISHED

Description (CNA)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, get_event_call delivered execute:python and execute:tool Socket.IO events to a client-supplied session_id after checking only that the session was connected, allowing authenticated users who learned another socket ID through ydoc:document:join to run code interpreter Python or tools in that user session. This issue is fixed in version 0.10.0.

Affected (CNA)

Vendor / productVersions
open-webui / open-webuiaffected < 0.10.0

CWE

CWE-94, CWE-200, CWE-639, CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.