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
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, an AI interface designed for self-hosted, offline environments.
Executive Summary:
A high-severity vulnerability in the Open WebUI platform exposes self-hosted AI services to potential security compromises.
Vulnerability Details
CVE-ID: CVE-2026-44553
Affected Software: Open WebUI
Affected Versions: See vendor advisory for specific affected versions
Vulnerability: This vulnerability affects the security posture of the Open WebUI platform, potentially allowing for unauthorized exploitation of its internal components.
Business Impact
With a CVSS score of 8.1, this vulnerability presents a serious threat to the security of the host environment. Organizations should treat this as a high-priority issue to prevent unauthorized access and potential data exfiltration from the AI platform.
Remediation Plan
Immediate Action: Actively monitor for and apply the latest security updates released by the vendor to remediate this vulnerability.
Proactive Monitoring: Maintain detailed logs of application access and monitor for unusual, high-frequency requests that may indicate an exploit attempt.
Compensating Controls: Ensure that the Open WebUI instance is running behind a secure gateway or proxy that can provide an additional layer of authentication and traffic inspection.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of May 16, 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
The vulnerability poses a clear risk to the integrity of the Open WebUI platform. Administrators must act promptly to apply patches and ensure that security configurations are robust enough to defend against potential exploitation attempts.