CVE-2025-64496

CVE-2025-64496 Open WebUI : A code injection vulnerability in the Direct Connections feature (v0.6.224 and earlier) allows external model servers to push SSE events that execute arbitrary JavaScript in victim browsers, leading to token theft, account takeover, and potential backend RCE when combi...

CVE-2025-46719

Open WebUI vulnerability CVE-2025-46719 affects versions prior to 0.6.6. A flaw in rendering certain HTML tags in chat messages allows stored cross-site scripting (XSS) in chat transcripts, which are accessible by other users on the same server or via Open WebUI community sharing. In the user’s b...

CVE-2026-45672

Open WebUI CVE-2026-45672 affects the /api/v1/utils/code/execute endpoint, where arbitrary Python code can be executed via Jupyter for any verified user even when ENABLE_CODE_EXECUTION is false. The feature gate is not enforced at the API level, so code execution is possible despite the admin set...

CVE-2026-59214

Open WebUI (self-hosted AI platform) is affected by a vulnerability described as a stored web worker XSS via Pyodide. Prior to version 0.10.0, the platform runs client-side Python with Pyodide inside a same-origin web worker, which could allow stored chat payloads using pyodide.http.pyfetch or th...

CVE-2026-70491

Open WebUI vulnerability CVE-2026-70491 affects the self-hosted Open WebUI platform. In versions up to 0.10.2, the GET endpoints /api/v1/tools/, /api/v1/tools/list, and /api/v1/tools/id/{id} exposed full Python tool source to authenticated non-admin read-only users due to the interaction between ...

CVE-2024-6707

Open WebUI suffers a path traversal and arbitrarily uploaded file vulnerability in version 0.1.105. The flaw arises when uploading files through the HTTP interface (via the + sign in the message input) to a static UPLOAD_DIR; the filename is taken from the request without validation, enabling tra...

CVE-2024-8053

Open WebUI vulnerability CVE-2024-8053 affects open-webui/open-webui v0.3.10 where the api/v1/utils/pdf endpoint lacks authentication, allowing unauthenticated access to the PDF generation service. Exploitation can involve sending a POST with an excessively large payload, potentially exhausting s...

CVE-2026-70479

Open WebUI vulnerability CVE-2026-70479 affects the self-hosted Open WebUI platform. From versions 0.9.6 through 0.11.0, when WEB_LOADER_ENGINE=playwright is used, the Playwright web loader validates only the top-level page requests and allows sub-resource requests to pass unvalidated. This enabl...

CVE-2024-7041

CVE-2024-7041 affects open-webui/open-webui v0.3.8, with an Insecure Direct Object Reference (IDOR) in the API endpoint /api/v1/memories/{id}/update. The flaw stems from inadequate access controls, allowing an attacker to edit other users’ memories without proper authorization. Public/connected s...

CVE-2024-7048

Open-WebUI open-webui v0.3.8 contains an improper privilege management flaw in API endpoints GET /api/v1/documents/ and POST /rag/api/v1/doc, enabling a lower-privileged user to view and overwrite admin-owned files, risking integrity and availability of RAG models. Root cause: insufficient access...

CVE-2024-7035

The CVE-2024-7035 issue affects open-webui/open-webui (v0.3.8). The underlying problem is CSRF because sensitive actions (delete/reset) are invoked via GET requests. Affected endpoints include /rag/api/v1/reset, /rag/api/v1/reset/db, /api/v1/memories/reset, and /rag/api/v1/reset/uploads, impactin...

CVE-2026-59224

Open WebUI vulnerability CVE-2026-59224 affects versions prior to 0.10.0. The issue: in backend/open_webui/routers/terminals.py, the ws_terminal upstream URL is built from an unencoded session_id and appends user_id as a query parameter, enabling query injection to make the terminal backend resol...

CVE-2024-7043

CVE-2024-7043 concerns open-webui/open-webui v0.3.8, where improper access control enables an attacker to enumerate and delete user-uploaded files via the API. The vulnerability arises because the system does not verify administrator privileges for GET /api/v1/files/ (listing files) and then enab...

CVE-2025-46571

CVE-2025-46571 affects Open WebUI prior to version 0.6.6. Low-privileged users could upload HTML files containing JavaScript via the backend endpoint /api/v1/files/, which returns a file id. An attacker could lure an admin to click a link to such a file, causing the JavaScript to execute in the a...

CVE-2025-64495

Open WebUI (self-hosted offline AI platform) is affected by a Stored DOM XSS in RichTextInput when the “Insert Prompt as Rich Text” option is enabled. In versions 0.6.34 and earlier, the prompt body is parsed with marked.parse and then assigned to a temporary div’s innerHTML without sanitisation,...

CVE-2026-59221

Open WebUI before 0.10.0 is affected by a path traversal guard bypass in sanitize_proxy_path (backend/open_webui/routers/terminals.py). The function decodes proxy paths only eight times, allowing a nine-times percent-encoded ../ traversal to bypass normalization and be decoded by the upstream ter...

CVE-2026-59212

Open WebUI vulnerability CVE-2026-59212 affects the Open WebUI platform. From version 0.9.6 up to, but not including, 0.10.0, verify_knowledge_file_access only checked read access; write and delete routes were later trusted via writable model.meta.knowledge entries. This allowed a user with read-...

CVE-2026-45331

CVE-2026-45331 concerns Open WebUI’s validate_url() in backend/open_webui/retrieval/web/utils.py, where a call to validators.ipv6(ip, private=True) raises a ValidationError due to the library not implementing the private keyword for IPv6. This causes IPv6 addresses to bypass the intended filter, ...

CVE-2026-54020

Open WebUI (self-hosted AI platform) contains a DNS rebinding SSRF vulnerability (CVE-2026-54020) affecting pre-0.11.0 behavior. An attacker who controls authoritative DNS for a submitted hostname could have validation return a public address while the connection later resolves to an internal add...

CVE-2026-45401

CVE-2026-45401 affects Open WebUI and describes an SSRF bypass: before version 0.9.5, the validate_url() check only validated the initial URL, while downstream HTTP clients (requests, aiohttp, LangChain WebBaseLoader) follow HTTP 3xx redirects by default and do not re-validate the redirected targ...

CVE-2024-6706

Open WebUI stores Cross-Site Scripting (XSS) vulnerability CVE-2024-6706 in version 0.1.105 on Debian 12. The issue arises when a malicious prompt coerces the language model into executing arbitrary JavaScript in the context of the web page. Connected advisories (KL-001-2024-005; GHSA-5JP3-WP5V-5...

CVE-2024-30256

CVE-2024-30256 affects Open WebUI prior to version 0.1.117. The vulnerability is an authenticated blind server-side request forgery (SSRF) in the backend, specifically in the function download_file_stream() inside Open WebUI’s backend/apps/web/routers/utils.py, exploitable via the url parameter. ...

CVE-2026-44563

Open WebUI/Open WebUI’s Ollama integration vulnerability (CVE-2026-44563) affects the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints. These endpoints forward a user-supplied model name to the Ollama backend without enforcing AccessGrants.has_access(), effectively bypassing mo...

CVE-2026-70482

Open WebUI (self-hosted AI platform) versions 0.8.0–0.11.0 are affected. When ENABLE_OAUTH_TOKEN_EXCHANGE is true, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it via the provider’s userinfo endpoint without confirming which OAuth client issued the token. As ...

CVE-2026-70486

Open WebUI (self-hosted AI platform) versions 0.9.0–0.11.0 contain a Same-Origin/XSS risk in the terminal file-preview iframe: the serveUrl iframe branch granted allow-same-origin and allow-scripts for HTML files from the app origin, enabling an authenticated user with terminal server access to r...

CVE-2024-7983

Open-WebUI 0.3.8 exposes an unauthenticated markdown-to-HTML endpoint (likely /api/v1/utils/markdown). A crafted payload can cause high CPU/time consumption, rendering the server unresponsive (DoS). Remediation: upgrade to open-webui version 0.5.13 or newer.

CVE-2026-59216

Open WebUI prior to 0.10.0 is vulnerable to cross-user code execution via unvalidated Socket.IO event-caller session_id. The get_event_call path delivers execute:python and execute:tool events to a client-supplied session_id after only confirming the session is connected, enabling an attacker who...

CVE-2026-59225

Open WebUI vulnerability CVE-2026-59225 affects versions 0.8.12 up to before 0.10.0. An authenticated non-admin user with read access to an arena wrapper model can reach a restricted underlying model via task endpoints like /api/v1/tasks/moa/completions. The normal chat flow re-checks submodel ac...

CVE-2026-70494

Open WebUI vulnerability CVE-2026-70494 affects versions 0.10.0–0.11.0 where the DELETE /api/v1/folders/{id} handler allowed a collaborator with write access to a shared folder to permanently delete chats/messages of the folder owner. The issue arises because the subfolder check accepted any inhe...

CVE-2026-44552

CVE-2026-44552 affects Open WebUI. Before 0.9.0, tool_servers and terminal_servers keys in Redis were unprefixed, so when multiple instances share a Redis backend they can collide, allowing an admin on one instance to poison another’s cache and have users interact with attacker-controlled tool co...

CVE-2026-70492

Open WebUI had a stored XSS vulnerability in KaTeX render-fallback: between 0.10.0 and 0.11.0, KaTeX errors could be rendered via HTML (via {@html}) in rendered messages, allowing script execution in viewers’ browsers and risking session token theft and potential admin account takeovers. Affected...

CVE-2026-54018

Open WebUI (self-hosted offline AI) contains SSRF protection bypass in the Playwright Web Loader prior to version 0.9.6. The validator checks only the initial URL; Playwright follows redirects (301/302) by default, allowing an attacker-supplied URL that redirects to internal addresses (e.g., loca...

CVE-2026-70490

Open WebUI (self-hosted AI platform) versions 0.8.8–0.11.0 contain a flaw where the terminal WebSocket route in backend/open_webui/routers/terminals.py authenticates its own first-message JWT and omits the verified-user role gate enforced on HTTP terminal routes. As a result, accounts with pendin...

CVE-2026-70493

Open WebUI vulnerability CVE-2026-70493 affects the knowledge search path in backend/open_webui/tools/knowledge_fs.py and backend/open_webui/tools/builtin.py for builds from 0.9.6 to 0.11.0. A chat participant can supply a pattern containing regex metacharacters; these patterns were compiled with...

CVE-2026-70484

Open WebUI vulnerability CVE-2026-70484 affects the self-hosted AI platform Open WebUI in versions 0.7.0 through 0.11.0. The legacy chat-completions features did not re-check the features.image_generation permission enforced on direct image routes and native function-calling paths, allowing an au...

CVE-2026-44560

Open WebUI (self-hosted offline AI platform) contains a vector-search access control flaw in the RAG retrieval path. In get_sources_from_items, non-full-context file/text collection paths can query the vector store without authorization, enabling extraction of content from files and knowledge bas...

CVE-2026-59220

Open WebUI (self-hosted AI platform) has a ReDoS in theSkill mention handling. In versions before 0.10.0, the SKILL_MENTION_RE and strip_re regexes in backend/open_webui/utils/middleware.py parsed mentions with overlapping quantifiers, allowing an authenticated user to send a message containing ...

CVE-2026-70488

CVE-2026-70488 – Open WebUI : In Open WebUI builds from 0.9.6 to 0.11.0, the sync cleanup endpoint (POST /api/v1/knowledge/{id}/sync/cleanup) did not properly constrain actions to the target knowledge base. The handler authenticated write access via the URL knowledge base, then acted on directory...

CVE-2026-45397

Open WebUI (self-hosted offline AI platform) is affected by CVE-2026-45397. The vulnerability is an information disclosure in the retrieval endpoint: GET /api/v1/retrieval/ can return live RAG configuration to unauthenticated clients. Affected component is backend/open_webui/routers/retrieval.py ...

CVE-2026-45398

Summary (concrete details from provided docs): Open WebUI before 0.9.5 exposes an IDOR vulnerability in the retrieval API where knowledge base collections (UUID-named) are not checked by _validate_collection_access. This allows any authenticated user who knows a private knowledge base UUID to rea...

CVE-2026-59213

Open WebUI (self-hosted AI platform) is affected in versions 0.6.27–0.10.0 by a bug in get_all_models handlers (routers/openai.py and routers/ollama.py) where a lambda was passed to aiocache key instead of key_builder. This caused permission-filtered per-user model lists to share a static cache e...

CVE-2026-59219

Open WebUI 0.9.0–0.10.0: with Redis configured, the terminal websocket first-message authentication used decode_token without a Redis-backed is_valid_token revocation check, allowing revoked JWTs to continue authenticating realtime connections. Fixed in version 0.10.0. This affects realtime endpo...

CVE-2026-70483

Open WebUI (self-hosted AI platform) contained an authorization bypass in the delete_chat_by_id handler (backend/open_webui/routers/chats.py) serving DELETE /api/v1/chats/{id}. The in-flight task cancellation was placed before ownership and permission checks, so any authenticated user with the de...

CVE-2026-70485

CVE-2026-70485 – Open WebUI : Affected versions 0.9.0 through 0.11.0 of the Open WebUI self-hosted AI platform check whether a user-provided URL is globally routable by applying ipaddress.is_global to the literal IPv6 address, without considering embedded IPv4 in transition encodings. In NAT64 de...

CVE-2026-54009

CVE-2026-54009 affects Open WebUI prior to 0.9.6. The vulnerability arises in the image_url handling path: convert_url_images_to_base64 calls get_image_base64_from_url without a user context, and get_image_base64_from_url uses Files.get_file_by_id (no ownership check) to retrieve a file by ID. Th...

CVE-2026-44569

Open WebUI CVE-2026-44569 describes an IDOR in the channel messages management system. Before version 0.6.19, authenticated users could modify or delete any message in channels they can read because message ownership validation was missing in the backend update/delete endpoints, even though the f...

CVE-2026-59218

Open WebUI prior to version 0.10.0 exposed an account enumeration flaw in the /api/v1/auths/signin endpoint. The login flow looked up users by email and only performed bcrypt verification when a credential existed, causing registered accounts to respond more slowly than missing email attempts. Th...

CVE-2026-70480

Open WebUI prior to 0.11.0 renders Vega/Vega-Lite blocks in chat without restricted resource loading, enabling client-side SSRF: an attacker-blocked block can force the victim’s browser to issue attacker-controlled outbound GETs and read responses from same-origin or permissive CORS targets. Affe...

CVE-2026-44564

Open WebUI (self-hosted offline AI platform) contains a vulnerability in the ydoc:document:update Socket.IO handler that allows read-only users to modify in-memory Yjs documents. The handler validates room membership but does not verify write permission, and read-only users join the document room...

CVE-2026-54012

CVE-2026-54012 pertains to Open WebUI. Before version 0.9.6, a user with model-creation/update/import rights could attach forged meta.knowledge entries of type file to their model. The system then trusts these entries as authorization sources, enabling a cross-user read and deletion of private fi...