open-webui v0.6.33 is vulnerable to Incorrect Access Control. The API /api/tasks/stop/ directly accesses and cancels tasks without verifying user ownership, enabling attackers (a normal user) to stop arbitrary LLM response tasks.
References
| Link | Resource |
|---|---|
| https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md | Exploit Third Party Advisory |
| https://github.com/open-webui/open-webui/blob/46ae3f4f5d7d4d706041bdae4ad2d802e568712b/backend/open_webui/main.py#L1652 | Product |
| https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md | Exploit Third Party Advisory |
Configurations
History
05 Dec 2025, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-284 | |
| References | () https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md - Exploit, Third Party Advisory |
05 Dec 2025, 14:54
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Openwebui open Webui
Openwebui |
|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 4.3 |
| CWE | NVD-CWE-noinfo | |
| CPE | cpe:2.3:a:openwebui:open_webui:0.6.41:*:*:*:*:*:*:* | |
| References | () https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md - Exploit, Third Party Advisory | |
| References | () https://github.com/open-webui/open-webui/blob/46ae3f4f5d7d4d706041bdae4ad2d802e568712b/backend/open_webui/main.py#L1652 - Product |
04 Dec 2025, 16:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-04 16:16
Updated : 2025-12-05 20:15
NVD link : CVE-2025-63681
Mitre link : CVE-2025-63681
CVE.ORG link : CVE-2025-63681
JSON object : View
Products Affected
openwebui
- open_webui
CWE