Missing Authorization Affecting open-webui package, versions [,0.9.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published9 May 2026
- disclosed8 May 2026
- creditClassic298
Introduced: 8 May 2026
CVE-2026-44559 (opens in a new tab)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 get_channel_members_by_id process. An attacker can retrieve the list of users, including their IDs, names, emails, roles, and profile images, associated with a private channel by making an authenticated API call to the affected endpoint if they possess the channel's UUID. This is only exploitable if the channels feature is enabled and the attacker knows the channel UUID.