Missing Authorization Affecting open-webui package, versions [,0.6.19)
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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- published14 May 2026
- disclosed11 May 2026
- creditgeckosecurity
Introduced: 11 May 2026
NewCVE-2026-44569 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.6.19 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 and delete_message_by_id endpoints due to missing ownership validation for messages. An attacker can alter or remove messages belonging to other users by sending direct API requests with the message_id parameter, even if they only have read access to the channel.