GHSA-9PGH-J74G-QJ6M Open WebUI Vulnerable to Arbitrary File Upload and Path Traversal

CONFIDENTIAL KL-CAN-2024-002 Vulnerability Details | | Field | Value | |---|-------|-------| | 1 | Discoverer | Jaggar Henry & Sean Segreti of KoreLogic, Inc. | | 2 | Date Submitted | 2024.03.12 | | 3 | Title | Open WebUI Arbitrary File Upload + Path Traversal | | 5 | Affected Vendor | Open WebUI...

GHSA-HMGR-67HW-J2CQ Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...

GHSA-7RJH-PX4V-5W55 Open WebUI's Channel Access Grants Bypass filter_allowed_access_grants

Channel Access Grants Bypass filterallowedaccessgrants Affected Component Channel creation and update endpoints: - backend/openwebui/routers/channels.py lines 291-340, createnewchannel - backend/openwebui/routers/channels.py lines 617-638, updatechannelbyid - backend/openwebui/models/channels.py...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the basemodelid process. An attacker can gain unauthorized access to restricted models by creating a new model that chains to a restricted base model and invoking it, causing the serv...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the sanitizeResponseContent process. An attacker can execute arbitrary JavaScript in the browser of another user by crafting a malicious model description containing a markdown lin...

CVE-2026-41168 vulnerabilities

Vulnerabilities for packages: litellm, open-webui, nemo...

CVE-2026-44567

creationtimestamp| type| source ---|---|--- 2026-05-05 15:47:41+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-4vg5-rp28-gvjf...

GHSA-JJ6C-8H6C-HPPX vulnerabilities

Vulnerabilities for packages: open-webui...

CVE-2026-34222 Open WebUI has Broken Access Control in Tool Valves

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11...

CVE-2026-29070

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin,...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.6 contained security vulnerabilities. These vulnerabilities stemmed from the lack of access control checks when deleting files from the knowledge base, which could...

CVE-2026-28786

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an unsanitized filename field in the speech-to-text transcription endpoint allows any authenticated non-admin user to trigger a FileNotFoundError whose message — including th...

CVE-2026-29070

creationtimestamp| type| source ---|---|--- 2026-03-26 23:27:54+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-26gm-93rw-cchf...

PT-2026-28385

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.6 Description Open WebUI is an artificial intelligence platform designed for offline operation. A missing access control check when deleting files from a knowledge base allows a user with write access to a...

EUVD-2025-208453

A security vulnerability has been detected in open-webui up to 0.6.16. Affected is an unknown function of the file backend/startwindows.bat of the component JWT Key Handler. Such manipulation of the argument WEBUISECRETKEY leads to insufficiently random values. It is possible to launch the attack...

PT-2026-1997

Name of the Vulnerable Software and Affected Versions Open WebUI affected versions not specified Description A flaw exists in Open WebUI that allows network-adjacent attackers to disclose sensitive information. The issue stems from transmitting credentials in plaintext through an unspecified...

CVE-2025-66019 vulnerabilities

Vulnerabilities for packages: nemo, open-webui...

CVE-2025-66416 vulnerabilities

Vulnerabilities for packages: semgrep, open-webui...

open-webui is Vulnerable to Incorrect Access Control

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...

EUVD-2025-38253

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Versions 0.6.224 and prior contain a code injection vulnerability in the Direct Connections feature that allows malicious external model servers to execute arbitrary JavaScript in victim browsers vi...