Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.0 contained security vulnerabilities. These vulnerabilities stemmed from the GET /api/v1/memories/ef endpoint, which could trigger embedded generation without...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.6.31 contained security vulnerabilities, which were caused by cross-site scripting vulnerabilities in the SVG renderer implementation...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.3 contained security vulnerabilities. These vulnerabilities stemmed from the POST /api/v1/notes/id/pin endpoint performing write operations but only checking read...

Open WebUI code-related vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 had code vulnerabilities. These vulnerabilities stemmed from the processpictureurl function, which extracted arbitrary URLs from OAuth image claims without...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.3 contained a security vulnerability. This vulnerability stemmed from the channel webhook creation/update process accepting arbitrary profileimageurl values,...

Open WebUI Cross-Site Script Vulnerability

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.3 had a cross-site scripting vulnerability. This vulnerability stemmed from the XLSX.utils.sheettohtml function, which was rendered using @html excelHtml without...

Open WebUI Information Leakage Vulnerability

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.5 had a vulnerability related to information leakage. This vulnerability occurred when group members were granted read access to model settings, allowing them to...

CVE-2026-44562: Missing Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/models/import endpoint allows users with the workspace.modelsimport permission to overwrite any existing model in the database, regardless of ownership. When an...

CVE-2026-45672: Incorrect Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.12, the /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLECODEEXECUTION=false. The feature gate is...

CVE-2026-45351: Exposure of Sensitive Information to an Unauthorized Actor

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.9, when a regular user non-admin logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints, which accepted...

CVE-2026-45387: Exposure of Sensitive Information to an Unauthorized Actor

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, when setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may...

CVE-2026-44567: Incorrect Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, the API does not properly validate that the user has an authorized user role of user. By default, when Open WebUI is configured with new sign-ups enabled, the default user role is...

CVE-2026-44560: Missing Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

Open WebUI Cross-Site Script Vulnerability

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.8.0 had a cross-site scripting vulnerability. This vulnerability stemmed from the insecure preview of Excel file attachments. The specially crafted XLSX file paylo...

Open WebUI security vulnerabilities

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 chat completion API, where tool IDs and server parameters were provided by users witho...

Open WebUI Cross-Site Script Vulnerability

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.0 had a cross-site scripting vulnerability. This vulnerability stemmed from improper cleanup order in the Banner component, leading to storage-based cross-site...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the GET /api/v1/channels/id/members endpoint, which only checked group and DM channel type...

Open WebUI security vulnerabilities

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under the open source Open WebUI project. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the isuserchannelmember function, which checked whether the...

Open WebUI Cross-Site Script Vulnerability

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.0 had a cross-site scripting vulnerability. This vulnerability stemmed from the AccountPending.svelte component using marked.parse to render...