Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base (or is admin), but NOT that the file actually belongs to this knowledge base. It is thus possible to delete arbitrary files from arbitrary knowledge bases (as long as one knows the file id). Version 0.8.6 patches the issue.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, 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 names containing dot-segments in the file path and traverse out of the intended uploads directory. Effectively, users can upload files anywhere on the filesystem the user running the web server has permission. This vulnerability is fixed in 0.6.10.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints accept any model name from the user and forward the request to the Ollama backend without checking whether the user is authorized to access that model. These endpoints only require get_verified_user (any authenticated non-pending user) and validate that the model exists in the full unfiltered model list, but never check AccessGrants.has_access(). This vulnerability is fixed in 0.9.0.

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 filter_allowed_access_grants on either create or update paths. A non-admin user who can create group channels (or who owns a channel) can submit arbitrary access grants — including public wildcard grants — and those grants are stored verbatim, bypassing the admin's permission framework. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST /api/tasks/stop/{task_id} methods. This allows a casual user to disrupt system-wide chat usage by continuously canceling other users' active tasks. This is a real authorization vulnerability affecting integrity and usability in multi-user deployments. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via base_model_id: a user-defined model (e.g., "Cheap Assistant") can reference an existing base model (e.g., "gpt-4-turbo-restricted") that provides the actual inference capability. When a user queries the composed model, the access control pipeline verifies the user has access to the composed model but never re-verifies access to the chained base model. Additionally, the model creation and import endpoints accept arbitrary base_model_id values without checking that the caller has access to that base model. Combined, this allows any user with the default model creation permission to create a model that chains to a restricted base model — and then invoke it, causing the server to dispatch the request to the restricted base model using the admin-configured API key. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the GET /api/v1/channels/{id}/members endpoint only checks membership for group and dm channel types (lines 467-469). For standard channels — including private ones — there is no channel_has_access check before returning the member list. Any authenticated user who knows a private channel's UUID can enumerate all users with access to that channel. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint (POST /api/v1/tools/id/{id}/update) is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities ( and who the administrator considers untrusted for code execution ) to replace a tool's server-side Python content and trigger execution, bypassing the intended workspace.tools security boundary. This vulnerability is fixed in 0.9.5.

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 collection_name, and bare collection_name/collection_names paths in the get_sources_from_items function perform vector store queries without any authorization check, allowing users to extract content from files and knowledge bases they do not have access to. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses model_config = ConfigDict(extra='allow'), which permits arbitrary fields to pass through Pydantic validation and be included in model_dump(exclude_unset=True). In insert_new_folder, the server-assigned user_id is placed at the start of the dict and then overwritten by the spread of form data. Because FolderModel declares user_id: str as a real field (not just a form extra), any attacker-supplied user_id in the POST body is accepted by the model and persisted on the Folder row. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /responses endpoint in the OpenAI router accepts any authenticated user and forwards requests directly to upstream LLM providers without enforcing per-model access control. While the primary chat completion endpoint (generate_chat_completion) checks model ownership, group membership, and AccessGrants before allowing a request, the /responses proxy only validates that the user has a valid session via get_verified_user. This allows any authenticated user to interact with any model configured on the instance by sending a POST request to /api/openai/responses with an arbitrary model ID. This vulnerability is fixed in 0.9.0.

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.models_import permission to overwrite any existing model in the database, regardless of ownership. When an imported model's ID matches an existing model, the endpoint merges the attacker's payload over the existing model data and writes it to the database with no ownership or access grant validation. Additionally, filter_allowed_access_grants is never called, bypassing the access grant restrictions enforced on all other model mutation endpoints. This vulnerability is fixed in 0.9.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, 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 completely lack message ownership validation. While the frontend correctly implements ownership checks (showing edit/delete buttons only for message owners or admins), the backend APIs bypass these protections by only validating channel access permissions without verifying that the requesting user owns the target message. This creates a client-side security control bypass where attackers can directly call the APIs to modify other users' messages. This vulnerability is fixed in 0.6.19.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, GET /api/v1/memories/ef is accessible without authentication and executes request.app.state.EMBEDDING_FUNCTION(...). This allows any unauthenticated caller to trigger embedding generation which can lead to direct cost exposure if a paid provider is used. This vulnerability is fixed in 0.8.0.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, in standard channels (i.e., channels whose channel.type is neither group nor dm), the endpoint POST /api/v1/channels/{channel_id}/messages/{message_id}/update can be accessed with read permission only. When access_control is set to None, the authorization check has_access(..., type="read") evaluates to True, allowing users who are not the message owner to update messages. As a result, unauthorized modification of other users’ messages is possible. This vulnerability is fixed in 0.8.6.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. In the chat_completion API, the parameters tool_ids and tool_servers are supplied by the user. These parameters are used to create a tools_dict by the middleware. This is then used by get_tool_by_id to retrieve the appropriate tool. However, there is no checks in that ensures the user that uses the API has permission to use the tool, meaning that a user can invoke any server tool by supplying the correct tool_id or tool_servers parameters via the chat completion API. Moreover, the authentication token stored in the server would be used when invoking the tool, so the tool will be invoked with the server privilege. This vulnerability is fixed in 0.8.6.

An improper access control vulnerability in open-webui/open-webui v0.3.8 allows attackers to view and delete any files. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the GET /api/v1/files/ interface to retrieve information on all files uploaded by users, which includes the ID values. The attacker can then use the GET /api/v1/files/{file_id} interface to obtain information on any file and the DELETE /api/v1/files/{file_id} interface to delete any file.

An improper access control vulnerability in open-webui/open-webui v0.3.8 allows an attacker to view admin details. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the /api/v1/auths/admin/details interface to retrieve the first admin (owner) details.

In version v0.3.8 of open-webui/open-webui, improper access control vulnerabilities allow an attacker to view any prompts. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the /api/v1/prompts/ interface to retrieve all prompt information created by the admin, which includes the ID values. Subsequently, the attacker can exploit the /api/v1/prompts/command/{command_id} interface to obtain arbitrary prompt information.

The HTML2WP WordPress plugin through 1.0.0 does not have authorisation and CSRF checks in an AJAX action, available to any authenticated users such as subscriber, which could allow them to delete arbitrary file

Arbitrary File Deletion vulnerability in XOS-Shop xos_shop_system 1.0.9 via current_manufacturer_image parameter to /shop/admin/categories.php

The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, and including, 5.5. This is due to missing capability checks in the plugin's page-editing functionality. This makes it possible for low-authenticated attackers, such as subscribers, to edit/create any page or post on the blog.

The FOX – Currency Switcher Professional for WooCommerce plugin for WordPress is vulnerable to unauthorized data loss due to a missing capability check on the 'admin_head' function in all versions up to, and including, 1.4.5. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete the entire multi-currency configuration by visiting any wp-admin page with the `woocs_reset` parameter appended. Additionally, because no nonce is verified, this is also exploitable via Cross-Site Request Forgery against any administrator. The vulnerability may also be exploited by Subscriber-level users if the site is configured to allow Subscriber access to 'wp-admin' pages.

MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /database/sqldel.html.

Rundeck is an open source automation service with a web console, command line tools and a WebAPI. In versions prior to 3.4.5, authenticated users could craft a request to modify or delete System or Project level Calendars, without appropriate authorization. Modifying or removing calendars could cause Scheduled Jobs to execute, or not execute on desired calendar days. Severity depends on trust level of authenticated users and impact of running or not running scheduled jobs on days governed by calendar definitions. Version 3.4.5 contains a patch for this issue. There are currently no known workarounds.

A vulnerability in SenseLive X3050's web management interface allows critical system and network configuration parameters to be modified without sufficient validation and safety controls. Due to inadequate enforcement of constraints on sensitive functions, parameters such as IP addressing, watchdog timers, reconnect intervals, and service ports can be set to unsupported or unsafe values. These configuration changes directly affect core device behaviour and recovery mechanisms. The lack of proper validation and safeguards allows critical system functions to be altered in a manner that can destabilize device operation or render the device persistently unavailable.

OpenClaw before 2026.3.23 contains an insufficient access control vulnerability in the Gateway agent /reset endpoint that allows callers with operator.write permission to reset admin sessions. Attackers with operator.write privileges can invoke /reset or /new messages with an explicit sessionKey to bypass operator.admin requirements and reset arbitrary sessions.

Arbitrary File Deletion vulnerability in XOS-Shop xos_shop_system 1.0.9 via current_manufacturer_image parameter to /shop/admin/manufacturers.php.

Authenticated Database Reset vulnerability in WordPress WP Reset PRO Premium plugin (versions <= 5.98) allows any authenticated user to wipe the entire database regardless of their authorization. It leads to a complete website reset and takeover.

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.1, an inverted boolean condition in ControllerRouter::route() causes the admin/super ACL check to be enforced only for controllers that already have their own internal authorization (review, log), while leaving all other CDR controllers — alerts, ajax, edit, add, detail, browse — accessible to any authenticated user. This allows any logged-in user to suppress clinical decision support alerts system-wide, delete or modify clinical plans, and edit rule configurations — all operations intended to require administrator privileges. This vulnerability is fixed in 8.0.0.1.

AtomXCMS 2.0 is affected by Incorrect Access Control via admin/dump.php

eNet SMART HOME server 2.2.1 and 2.3.1 contains a missing authorization vulnerability in the deleteUserAccount JSON-RPC method that permits any authenticated low-privileged user (UG_USER) to delete arbitrary user accounts, except for the built-in admin account. The application does not enforce role-based access control on this function, allowing a standard user to submit a crafted POST request to /jsonrpc/management specifying another username to have that account removed without elevated permissions or additional confirmation.

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is missing an authorization check on several pages in the Web Console. This enables a view-only user to change any configuration setting and delete any registered agents. All versions before 7.11.1 are affected.

An issue was discovered on Compro IP70 2.08_7130218, IP570 2.08_7130520, IP60, and TN540 devices. /cgi-bin/support/killps.cgi deletes all data from the device.

Due to a Missing Authorization Check vulnerability in Application Server ABAP and ABAP Platform, an authenticated attacker could misuse an RFC function to execute form routines (FORMs) in the ABAP system. Successful exploitation could allow the attacker to write or modify data accessible via FORMs and invoke system functionality exposed via FORMs, resulting in a high impact on integrity and availability, while confidentiality remains unaffected.

The Privacy Policy Generator, Terms & Conditions Generator WordPress Plugin : WP Legal Pages plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on the wplp_gdpr_install_plugin_ajax_handler() function in all versions up to, and including, 3.4.3. This makes it possible for authenticated attackers, with Contributor-level access and above, to install arbitrary repository plugins.

Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an insecure direct object reference (IDOR) vulnerability allows any authenticated user to delete arbitrary participants from polls without ownership verification. The endpoint relies solely on a participant ID to authorize deletions, enabling attackers to remove other users (including poll owners) from polls. This impacts the integrity and availability of poll participation data. This issue has been patched in version 4.5.4.

Missing Authorization vulnerability in pietro MobiLoud allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects MobiLoud: from n/a through 4.6.5.

The OMGF WordPress plugin before 4.5.4 does not enforce path validation, authorisation and CSRF checks in the omgf_ajax_empty_dir AJAX action, which allows any authenticated users to delete arbitrary files or folders on the server.

SAP Netweaver System Configuration does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. This could completely compromise the integrity and availability with no impact on confidentiality of the system.

U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to delete arbitrary files.

A weakness has been identified in SourceCodester Alumni Management System 1.0. This issue affects the function delete_forum/delete_career/delete_comment/delete_gallery/delete_event of the file admin/admin_class.php of the component Delete Handler. Executing manipulation of the argument ID can lead to missing authorization. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.

The Blaze Demo Importer plugin for WordPress is vulnerable to unauthorized database resets and file deletion due to a missing capability check on the "blaze_demo_importer_install_demo" function in all versions up to, and including, 1.0.13. This makes it possible for authenticated attackers, with subscriber level access and above, to reset the database by truncating all tables (except options, usermeta, and users), delete all sidebar widgets, theme modifications, and content of the uploads folder.

The Page View Count plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check on the yellow_message_dontshow() function in versions 2.8.0 to 2.8.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update option values to one on the WordPress site. This can be leveraged to update an option that would create an error on the site and deny service to legitimate users or be used to set some values to true such as registration.

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, missing authorization in the AJAX deletion endpoint `interface/forms/procedure_order/handle_deletions.php` allows any authenticated user, regardless of role, to irreversibly delete procedure orders, answers, and specimens belonging to any patient in the system. Version 8.0.0.3 patches the issue.

The Eco Nature - Environment & Ecology WordPress Theme theme for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check on the 'cmsmasters_hide_admin_notice' AJAX action in all versions up to, and including, 2.0.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update option values to 'hide' on the WordPress site. This can be leveraged to update an option that would create an error on the site and deny service to legitimate users or be used to set some values to true such as registration.

Missing Authorization vulnerability in EDGARROJAS Smart Forms smart-forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Smart Forms: from n/a through <= 2.6.84.

A CWE-862 "Missing Authorization" in maxprofile/users/routes.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an authenticated (low-privileged) attacker to remove users via crafted HTTP requests.

An authenticated XCC user with Read-Only permission can change a different user’s password through a crafted API command.   This affects ThinkSystem v2 and v3 servers with XCC; ThinkSystem v1 servers are not affected.

Missing Authorization vulnerability in Premmerce Premmerce User Roles premmerce-user-roles allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Premmerce User Roles: from n/a through <= 1.0.12.