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-2026-59214

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-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-2024-7048

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-2024-7041

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-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-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-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-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-2025-64495

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-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-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-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-2026-59221

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-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-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-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-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-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-2026-44552

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-2026-59225

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-2024-7049

Open-webui/open-webui is affected at version v0.3.8. The root issue is that a token is returned when a user with a pending role logs in, allowing actions without admin approval and bypassing the intended approval workflow. The CVE entry lists a moderate impact (CVSS ~5.4) with no explicit exploit...

CVE-2024-7806

CVE-2024-7806 affects open-webui/open-webui ≤ 0.3.8. A CSRF flaw (lax SameSite cookies, no CSRF tokens) enables remote code execution by non-admin users when a victim visits a crafted page, potentially modifying a pipeline’s Python code and running arbitrary commands with the victim’s privileges....

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-2026-45398

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-2026-59220

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-2026-0766

Open WebUI contains a vulnerability in load_tool_module_by_id that allows remote code execution via command injection. The flaw comes from insufficient validation of a user-supplied string before it is used to execute Python code, enabling an attacker to run arbitrary code in the service account’...

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-2026-45675

Open WebUI CVE-2026-45675 describes a TOCTOU race in first-user admin role assignment for LDAP and OAuth paths prior to version 0.9.0. The signup path was fixed to insert with a default role first and upgrade if only one user remains; LDAP and OAuth paths did not receive that fix. Attack scenario...

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-2026-44560

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-2026-59219

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-2026-45339

Open WebUI (self-hosted offline AI platform) has a vulnerability where endpoint access restrictions on API keys could be bypassed by using the x-api-key header, even when the key was restricted from sensitive endpoints like /api/v1/messages. Prior to version 0.9.0, requests with Authorization: Be...

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-2024-7044

Open WebUI vulnerable to Stored XSS (CVE-2024-7044) in open-webui/open-webui v0.3.8 via chat file upload. An attacker can inject malicious content into a file that, when accessed by a victim (via URL or shared chat), executes JavaScript in the browser, enabling user data theft, session hijacking,...

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...

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-2026-59215

Open WebUI prior to 0.10.0 contains a cross-channel thread context exposure bug: channel thread parent_id binding did not bind to the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose thread context across channels. The issue is fixed in ve...

CVE-2026-44554

Open WebUI (self-hosted AI) vulnerability: the POST /api/v1/retrieval/process/web endpoint accepts a user-controlled collection_name with overwrite defaulting to True, and performs no authorization check to verify write access. When overwrite is True, save_docs_to_vector_db calls VECTOR_DB_CLIENT...

CVE-2026-54017

Open WebUI vulnerability CVE-2026-54017 affects the terminal-server proxy in backend/open_webui/routers/terminals.py before version 0.9.6. An authenticated non-admin user can craft the request path to perform traversal and SSRF to the terminal server and potentially internal services. Two vectors...

CVE-2026-54022

Summary (grounded in provided sources): Open WebUI prior to version 0.8.11 has a logic bug in the ydoc:document:join handler: authorization is only enforced for document IDs starting with the prefix note:. The YdocManager stores documents using a normalized key where colons are replaced with unde...

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-2026-59223

Open WebUI vulnerability CVE-2026-59223 affects the WEB_FETCH_FILTER_LIST logic prior to 0.10.0, allowing path-based blocklist bypasses (e.g., !internal.example.com in a URL path) and misalignment with hostname policy for sibling-domain matches. The issue is fixed in version 0.10.0. Impact is a p...

CVE-2024-8017

CVE-2024-8017 is an XSS vulnerability in open-webui/open-webui versions

CVE-2026-44551

Open WebUI vulnerability CVE-2026-44551: before version 0.9.0, the LDAP authentication endpoint does not validate non-empty passwords, allowing an unauthenticated Simple Bind on many LDAP servers. The LdapForm model accepts password: str without a minimum length, so an empty string can reach the ...

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-2026-45386

Technical summary (CVE-2026-45386) Open WebUI’s pin_channel_message API endpoint exposes an IDOR vulnerability in standard channels. Prior to version 0.9.5, the endpoint checks only read permission for non-admin users, allowing read-only users to pin/unpin any message in channels where they have ...

CVE-2026-44566

Open WebUI prior to version 0.1.124 is affected by an arbitrary file upload and path traversal vulnerability. The issue occurs in the /rag/api/v1/doc upload endpoint, where the uploaded file’s name is derived from the HTTP request and is not validated or sanitized, allowing dot-segments in the fi...

CVE-2026-44568

Summary: Open WebUI before v0.9.0 has a Stored XSS in the Pending User Overlay content. The vulnerability stems from rendering the admin-configured Pending User Overlay Content via marked.parse() inside {@html} with DOMPurify applied before markdown parsing, allowing an admin to inject JavaScript...