CVE-2025-63681

PoC —

CVSS 3.1

4.3 medium

EPSS

<1%p21

Published

Dec 4, 2025 (Dec 4, 2025)

Modified

Jun 17, 2026

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.

Vendors: openwebui
Products: open webui
Weakness: CWE-284
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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