Missing Authorization Affecting open-webui package, versions [,0.9.0)
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- published9 May 2026
- disclosed8 May 2026
- creditClassic298
Introduced: 8 May 2026
NewCVE-2026-44563 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade open-webui to version 0.9.0 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Missing Authorization in the generate_completion, embed, embeddings, and show_model_info functions. An attacker can access restricted model information and consume compute resources by sending crafted API requests to unprotected endpoints. This is only exploitable if Ollama is configured as a backend, model access control is enabled, and the attacker knows the restricted model name.