CVE-2026-45350

Open WebUI · Open WebUI

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

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

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 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.