High severityNVD Advisory· Published Jul 9, 2026· Updated Jul 10, 2026
Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id
CVE-2026-59216
Description
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 packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
open-webuiPyPI | < 0.10.0 | 0.10.0 |
Affected products
1- Range: <0.10.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-74h3-cxq7-vc5qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-59216ghsaADVISORY
- github.com/open-webui/open-webui/commit/386ac958144dbbbf0aa6e268070d72b681a318aaghsax_refsource_MISCWEB
- github.com/open-webui/open-webui/pull/25763ghsax_refsource_MISCWEB
- github.com/open-webui/open-webui/releases/tag/v0.10.0ghsax_refsource_MISCWEB
- github.com/open-webui/open-webui/security/advisories/GHSA-74h3-cxq7-vc5qghsax_refsource_CONFIRMWEB
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