CVE-2026-44551: Improper Authentication

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accep...

CVE-2026-44558: Missing Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the channel router does not call filterallowedaccessgrants on either create or update paths. A non-admin user who can create group channels or who owns a channel can submit arbitrary...

Open WebUI 安全漏洞

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 FolderForm using modelconfig = ConfigDictextra=allow, which allowed arbitrary fields to ...

Open WebUI 授权问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI based on the Open WebUI open source project. Versions of Open WebUI prior to 0.9.0 had an authorization vulnerability. This vulnerability stemmed from the LDAP authentication endpoint failing to verify that the submitt...

Open WebUI 代码问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 had code-related vulnerabilities. These vulnerabilities stemmed from the lack of proper handling when managing role changes or deleting users, which resulted in...

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 0.8.12 contained a security vulnerability. This vulnerability stemmed from the lack of enforcement of the ENABLECODEEXECUTION configuration for the...

Open WebUI 输入验证错误漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Prior to Open WebUI 0.9.3, there was a vulnerability related to input validation errors. This vulnerability stemmed from the image upload feature’s cross-site request forgeing mechanism, which could...

Open WebUI 跨站脚本漏洞

Open WebUI is an open-source, scalable, feature-rich, and user-friendly self-hosted WebUI. Versions of Open WebUI prior to 0.6.5 had a cross-site scripting vulnerability. This vulnerability stemmed from HTML rendering views that allowed script injection and execution, potentially leading to...

Open WebUI 代码问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 had code vulnerabilities. These vulnerabilities stemmed from the validators.ipv6 function in validateurl, which did not implement the private keyword for IPv6. A...

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...

Open WebUI 授权问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.5.7 had an authorization issue vulnerability. This vulnerability stems from the ability for users to change access permissions during editing, potentially leading to...

CVE-2026-44566: Improper Limitation of a Pathname to a Restricted Directory

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with...

Open WebUI 路径遍历漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.1.124 contained a path traversal vulnerability. This vulnerability occurred when files were attached in messages, where the file names originated from the original...

CVE-2026-45398: Authorization Bypass Through User-Controlled Key

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, validatecollectionaccess checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any...

CVE-2026-44568: Improper Neutralization of Input During Web Page Generation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the AccountPending.svelte component renders the admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order. An admi...

CVE-2026-45318: Improper Neutralization of Input During Web Page Generation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

Open WebUI 访问控制错误漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.5 contained a security vulnerability related to access control. This vulnerability stemmed from the lack of authentication for the GET /api/v1/retrieval endpoint,...

CVE-2026-45397: Missing Authentication for Critical Function

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, GET /api/v1/retrieval/ returns live RAG pipeline configuration to any unauthenticated HTTP client. No Authorization header, cookie, or API key is required. Every adjacent endpoint on...

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 0.6.19 contained security vulnerabilities. These vulnerabilities stemmed from the IDOR in the channel message management system, allowing authenticated users to modify...

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 0.9.5 contained security vulnerabilities. These vulnerabilities stemmed from the fact that the “fix” or “unfix” operations were write operations, but only read...