GHSA-frv8-gffc-37px

open-webui is Vulnerable to Incorrect Access Control

Source: GitHub Advisory Database (reviewed) Low CVE-2025-63681

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	open-webui	<= 0.6.33	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2025-63681 advisory
https://github.com/TOAST-Research/pocs/blob/main/openwebui/arbitirary_task_stop/report.md web
https://github.com/open-webui/open-webui package
https://github.com/open-webui/open-webui/blob/46ae3f4f5d7d4d706041bdae4ad2d802e568712b/backend/open_webui/main.py#L1652 web