Description

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.

INFO

Published Date :

2025-12-04T00:00:00.000Z

Last Modified :

2025-12-05T19:51:31.248Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-63681 vulnerability.

Vendors Products
Open-webui
  • Open-webui
Openwebui
  • Open Webui
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-63681.

URL Resource
https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md cve-icon cve-icon cve-icon
https://github.com/open-webui/open-webui/blob/46ae3f4f5d7d4d706041bdae4ad2d802e568712b/backend/open_webui/main.py#L1652 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact