Missing Authorization Affecting open-webui package, versions [0.9.5,0.10.0)
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- published25 Jul 2026
- disclosed24 Jul 2026
- creditUnknown
Introduced: 24 Jul 2026
NewCVE-2026-59714 (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 0.10.0 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Missing Authorization through the chat completion process. An attacker can overwrite messages in channels they do not belong to, including private and direct message channels, by supplying a crafted chat_id and message_id in a chat completion request. This allows the attacker to impersonate other users and modify message content without proper authorization.