Blind SQL Injection

Zabbix is vulnerable to blind SQL injection. The vulnerability is due to improper sanitization of the sortfield parameter in include/classes/api/CApiService.php, which allows a low-privileged user with API access to execute arbitrary SQL select queries and exfiltrate database data through...

CVE-2026-45666 Open WebUI: Indirect Object Reference (IDOR) in user notes

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. Th...

CVE-2026-45365

Open WebUI suffers a parameter binding flaw: an internal bypass_filter parameter was exposed in the HTTP handlers for /openai/chat/completions and /ollama/api/chat via FastAPI query binding. This allowed any authenticated user to append ?bypass_filter=true and skip the ACL check, enabling access ...

EUVD-2026-30649

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated...

CVE-2026-45365 Open WebUI: Authenticated users can bypass model access control via exposed query parameter

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated...

CVE-2026-45365 Open WebUI: Authenticated users can bypass model access control via exposed query parameter

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated...

EUVD-2026-30638

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-2026-45386

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only...

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-2026-44558

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...

CVE-2026-44559

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...

EUVD-2026-30625

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting XSS vulnerability that allows any authenticated user with model creation permission workspace.models to execute arbitrary JavaScript in the browser of a...

CVE-2026-44721

CVE-2026-44721 documents a stored XSS in Open WebUI prior to version 0.9.0. The vulnerability arises from a flawed sanitizeResponseContent path that escapes HTML but does not neutralize a markdown link with a javascript: URI rendered via {@html}, enabling an authenticated user with workspace.mode...

CVE-2026-44721 Open WebUI: Stored XSS via Model Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting XSS vulnerability that allows any authenticated user with model creation permission workspace.models to execute arbitrary JavaScript in the browser of a...

CVE-2026-45228

Quark Drive before 0.8.5 contains a stored cross-site scripting vulnerability in the System Configuration page where the template renders pushconfig key names using Vue.js's v-html directive without escaping. Authenticated attackers can inject HTML or JavaScript payloads as key names through the...

CVE-2026-43885

WWBN AVideo is an open source video platform. In versions up to and including 29.0, an unauthenticated user can read APISecret from objects/plugins.json.php and use it to call protected API endpoints e.g. userslist without logging in. Commit 1c36f229d0a103528fb9f64d0a1cc0e1e8f5999b contains an...

CVE-2026-44556

Open WebUI vulnerability CVE-2026-44556 affects the /api/openai/responses endpoint, where the proxy forwards requests to upstream LLMs without enforcing per-model access control. Pre-0.9.0, any authenticated user could interact with any configured model by POSTing to /responses with an arbitrary ...

CVE-2026-44557

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the validatecollectionaccess function uses an incomplete allowlist that only enforces ownership checks for collections matching user-memory- and file- patterns. All other collection...

CVE-2026-44557 Open WebUI: Global Knowledge Base Enumeration via knowledge-bases Meta-Collection

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the validatecollectionaccess function uses an incomplete allowlist that only enforces ownership checks for collections matching user-memory- and file- patterns. All other collection...

CVE-2026-44558 Open WebUI: Channel Access Grants Bypass filter_allowed_access_grants

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...