CVE-2025-63681
open-webui is Vulnerable to Incorrect Access Control
EPSS 0.01%
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.
How to fix CVE-2025-63681
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- PyPI/open-webui—no fix listed
Is CVE-2025-63681 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 0.6.33
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |