Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline
AI Analyst Comment
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
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VENDOR: Open WebUI
PRODUCT: Open WebUI
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
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Description Summary:
A security vulnerability has been identified in the Open WebUI platform that may expose the system to unauthorized access or manipulation.
Executive Summary:
The Open WebUI platform is vulnerable to a high-severity security flaw that could potentially compromise the integrity and confidentiality of the self-hosted AI environment.
Vulnerability Details
CVE-ID: CVE-2026-45350
Affected Software: Open WebUI
Affected Versions: See vendor advisory for specific affected versions
Vulnerability: The vulnerability relates to the Open WebUI platform; however, specific technical details regarding the entry point and authentication requirements remain pending further vendor disclosure. Users should treat this as a potentially exploitable flaw requiring immediate attention to prevent unauthorized system interaction.
Business Impact
A successful exploit of this vulnerability could lead to unauthorized access to sensitive AI models, configuration data, or internal system resources. Given the CVSS score of 7.1, this is classified as a High-severity risk that could result in significant operational disruption or data exfiltration if left unaddressed.
Remediation Plan
Immediate Action: Review the official Open WebUI security advisory to identify and apply the latest security patches or configuration updates.
Proactive Monitoring: Monitor system and application access logs for unusual patterns, unauthorized login attempts, or anomalous administrative activity.
Compensating Controls: Deploy a Web Application Firewall (WAF) with updated rule sets to filter suspicious traffic directed at the Open WebUI instance until a patch is applied.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of May 17, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.
Analyst Recommendation
Organizations utilizing Open WebUI must prioritize the monitoring of vendor channels for official remediation guidance. Given the high-severity classification, administrators should prepare for an emergency patch cycle to mitigate potential unauthorized access to the AI platform.