Missing Authorization Affecting open-webui package, versions [,0.8.6)
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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- published11 May 2026
- disclosed11 May 2026
- creditodgrso
Introduced: 11 May 2026
NewCVE-2026-44571 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.8.6 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Missing Authorization in the update_message_by_id process. An attacker can modify messages authored by other users by sending a request to the message update endpoint with only read permissions in a standard channel. This is only exploitable if the attacker is an authenticated user, the target channel is a standard channel, access_control is set to None or allows read access, and the attacker can obtain the target message ID.