CVE-2026-59216
Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-94 CWE-200 CWE-639 CWE-862 |
| Vendor | open-webui |
| Product | open-webui |
| Published | Jul 9, 2026 |
| Last Updated | Jul 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
open-webui / open-webui
< 0.10.0
References
github.com: https://github.com/open-webui/open-webui/security/advisories/GHSA-74h3-cxq7-vc5q github.com: https://github.com/open-webui/open-webui/pull/25763 github.com: https://github.com/open-webui/open-webui/commit/386ac958144dbbbf0aa6e268070d72b681a318aa github.com: https://github.com/open-webui/open-webui/releases/tag/v0.10.0