Access Control Bypass Affecting open-webui package, versions [0,]
Threat Intelligence
Exploit Maturity
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Start learning- Snyk IDSNYK-PYTHON-OPENWEBUI-14190592
- published5 Dec 2025
- disclosed4 Dec 2025
- creditTOAST-Research
Introduced: 4 Dec 2025
NewCVE-2025-63681 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
There is no fixed version for open-webui.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Access Control Bypass via the /api/tasks/stop/{task_id} endpoint. An attacker can enumerate tasks running by other users and use task_id to terminate any tasks running on the server.