GHSA-R8WH-8M7R-FH33 Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

Summary A missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. Details All files/ related endpoints lack permission checks. Listing all files For example, let's see how file listing ...

PT-2026-41176

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.6.31 Description A Cross-Site Scripting issue exists in the SVG renderer implementation. This allows the permanent storage of HTML or JavaScript code within the application, which is then executed in the context ...

openwebui-token-tracking (=0.1.7) potentially affected by CVE-2026-44571 via open-webui (=0.6.0)

open-webui PYPI version =0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking =0.1.7 Source cves: CVE-2026-44571 Source advisory: OSV:GHSA-JGJ3-R8HR-9PJW...

openwebui-token-tracking (=0.1.7) potentially affected by CVE-2026-44569 via open-webui (=0.6.0)

open-webui PYPI version =0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking =0.1.7 Source cves: CVE-2026-44569 Source advisory: SNYK:PYTHON-OPENWEBUI-16690884...

Open WebUI's Insecure Message Access Breaks Authorization

Description There's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability exists in the message update and delete endpoints, which implement channel-level authorization but...

GHSA-J3FW-WC48-29G3 Open WebUI Arbitrary File Write, Delete via Path Traversal

CONFIDENTIAL Vulnerability Disclosure Analysis Documentation ----------------------------------------------- Vulnerability Details --------------------- 1. Discoverer: Taylor Pennington of KoreLogic, Inc. 2. Date Submitted: June 11, 2024 3. Title: Open WebUI Arbitrary File Write, Delete via Path...

Open WebUI Arbitrary File Write, Delete via Path Traversal

CONFIDENTIAL Vulnerability Disclosure Analysis Documentation ----------------------------------------------- Vulnerability Details --------------------- 1. Discoverer: Taylor Pennington of KoreLogic, Inc. 2. Date Submitted: June 11, 2024 3. Title: Open WebUI Arbitrary File Write, Delete via Path...

Insufficient Session Expiration

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Insufficient Session Expiration via misconfiguration of the CORSMiddleware module and improper session management. An attacker can gain unauthorized access and execute arbitrary code by enticing an...

Open WebUI has a CORS misconfiguration and session validation issue

GitHub Security Lab GHSL Vulnerability Report, open-webui: GHSL-2024-174, GHSL-2024-175 The GitHub Security Lab team has identified potential security vulnerabilities in open-webui. We are committed to working with you to help resolve these issues. In this report you will find everything you need...

PT-2026-39670

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.6.10 Description An issue exists where the application does not validate or sanitize the filename of uploaded audio files, deriving it directly from the original HTTP upload request. This allows users to include...

CVE-2026-45396

creationtimestamp| type| source ---|---|--- 2026-05-10 19:34:32+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-rjmp-vjf2-qf4g...

CVE-2026-45395

creationtimestamp| type| source ---|---|--- 2026-05-10 19:34:01+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-p4fx-23fq-jfg6...

PT-2026-41175

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.5.7 Description An issue exists where a user can modify another user's model regardless of whether its visibility is set to Private. By altering access permissions during the editing process, unauthorized access...

PT-2026-41187

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.5 Description An Insecure Direct Object Reference IDOR exists in the Channels feature, which allows any member of a channel to modify messages sent by other members, including administrators. In the update...

PT-2026-41181

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.9 Description When a non-administrative user logs into the application, a web request to the '/api/models?' endpoint is initiated. The response from this request reveals the system prompts of available models...

CVE-2026-45346

creationtimestamp| type| source ---|---|--- 2026-05-09 22:20:05+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6...

CVE-2026-45338

creationtimestamp| type| source ---|---|--- 2026-05-09 19:11:52+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-24c9-2m8q-qhmh...

CVE-2026-45314

creationtimestamp| type| source ---|---|--- 2026-05-09 08:02:43+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-3856-3vxq-m6fc...

PT-2026-41167

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.3 Description The channel webhook create and update flow accepts arbitrary profile image url values, including base64-encoded SVG payloads. The endpoint '/api/v1/channels/webhooks/webhook id/profile/image'...

Arbitrary File Upload

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Arbitrary File Upload via the storedoc process. An attacker can write arbitrary files to locations outside the intended upload directory by supplying crafted filenames containing path traversal sequences in t...