Infinite loop Affecting open-webui package, versions [0.5.0,0.11.1)
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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Test your applications- Snyk IDSNYK-PYTHON-OPENWEBUI-20158686
- published27 Sept 2026
- disclosed9 Sept 2026
- creditUnknown
Introduced: 9 Sep 2026
NewCVE-2026-88002 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.11.1 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Infinite loop in the message-chain reconstruction process. An attacker can cause the server to hang and consume excessive resources by submitting a chat history with cyclic parent references and omitted id fields, resulting in a persistent denial of service for all users. This is only exploitable if a user with the default role creates a chat with a cyclic message history lacking id fields.