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-2026-44550 (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 via the create_folder process. An attacker can create unauthorized folders in another user's account, potentially flooding the victim's folder tree or planting phishing content, by submitting crafted POST requests that include a victim's user ID. This is only exploitable if the attacker has an authenticated account with folder creation permissions and knows or can guess the victim's user UUID.