Arbitrary File Upload Affecting open-webui package, versions [,0.1.124)
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
- creditKoreLogicSecurityDisclosures
Introduced: 8 May 2026
CVE-2026-44566 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.1.124 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Arbitrary File Upload via the store_doc process. An attacker can write arbitrary files to locations outside the intended upload directory by supplying crafted filenames containing path traversal sequences in the HTTP upload request. This can lead to overwriting sensitive files or uploading malicious files, potentially resulting in remote code execution or unauthorized access.