CVE-2026-33741 EspoCRM: Stored XSS via SVG attachment loading same-origin JavaScript

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below allow authenticated users to upload SVG attachments through normal attachment-capable fields and later serve those SVG files as top-level inline documents through both the attachment and image entry...

CVE-2026-45345

Open WebUI (self-hosted AI platform) has a vulnerability in the model update function prior to version 0.5.7 where an attacker could modify another user’s private model by changing access permissions during editing. The issue is confirmed in multiple sources (CVE-2026-45345, GHSA-gm54-m39w-grjp, ...

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-2026-45402 Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the...

CVE-2026-45402 Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the...

CVE-2026-45402

Open WebUI CVE-2026-45402 describes a cross-user file access/overwrite vulnerability in offline Open WebUI prior to 0.9.5. Two concrete paths allow attaching a victim’s file_id without verifying ownership: (1) folder knowledge ingestion via POST /api/v1/folders/{id}/update and (2) knowledge-base ...

CVE-2026-44550 Open WebUI: Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses modelconfig = ConfigDictextra='allow', which permits arbitrary fields to pass through Pydantic validation and be included in modeldumpexcludeunset=True. In...

CVE-2026-44550 Open WebUI: Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses modelconfig = ConfigDictextra='allow', which permits arbitrary fields to pass through Pydantic validation and be included in modeldumpexcludeunset=True. In...

CVE-2026-44550 Open WebUI: Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses modelconfig = ConfigDictextra='allow', which permits arbitrary fields to pass through Pydantic validation and be included in modeldumpexcludeunset=True. In...

CVE-2026-44550

Open WebUI prior to 0.9.0 vulnerable to mass assignment via Pydantic extra='allow' in FolderForm. The server constructs a FolderModel by merging attacker-controlled extra fields (from form_data.model_dump(exclude_unset=True)) over a server-populated user_id, and because user_id is a real field, a...

CVE-2026-44553 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

CVE-2026-45349 Open WebUI: Broken Access Control for Completions API

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key generated in OWUI and the Chat ID of another user to continue the conversation of the other...

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 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the ability for users to continue a conversation with another user through...

GHSA-R472-MW7M-967F Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints Summary Multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints Summary Multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

GHSA-GM54-M39W-GRJP Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here...

NPM: n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

NPM: n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints vulnerability discovered by ? in WordPress Npm n8n versions 1.123.43...

GHSA-6H4J-WCR9-2VG7 n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

Impact The OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential...

n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

Impact The OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential...

CVE-2026-44504 Aegra: Cross-user run injection in /threads/{thread_id}/runs (IDOR)

Aegra is a drop-in replacement for LangSmith Deployments. Prior to 0.9.7, with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated attacker, given another user's threadid, can execute graph runs against the user's thread, read the user's full...