CVE-2026-54016

CVE-2026-54016 : Open WebUI (self-hosted offline AI platform) suffers a Broken Object Level Authorization in the builtin search_knowledge_files tool. When native function calling is enabled and a model has no attached knowledge bases, an authenticated user can supply an arbitrary knowledge_id and...

CVE-2026-54016 Open WebUI: Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no...

CVE-2026-42867 Langflow: Path Traversal in Knowledge Bases API via Creation Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, Langflow is vulnerable to Path Traversal in the Knowledge Bases API POST /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are used directly to create file paths without...

Open WebUI: RAG ACL Bypass in Milvus Multitenancy Mode

RAG ACL Bypass in Milvus Multitenancy Mode Summary This is a bypass of the fix for: - GHSA-h36f-rqpx-j5wx - CVE-2026-44560 - "Unauthorized File and Knowledge Base Content Access via RAG Vector Search" Open WebUI added collection-level ACL checks, but the patch can still be bypassed when Milvus...

Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

Summary Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no attached knowledge bases, an authenticated user can call searchknowledgefiles with an arbitrary knowledgeid...

PT-2026-50591

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description An issue exists in the self-hosted artificial intelligence platform where collection-level Access Control List ACL checks can be bypassed when Milvus multitenancy mode is enabled. The ACL permits...

Langflow: Path Traversal in Knowledge Bases API via Creation Endpoint

Summary Langflow is vulnerable to Path Traversal in the Knowledge Bases API POST /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker can exploit this flaw...

PT-2026-50141

Name of the Vulnerable Software and Affected Versions Langflow versions prior to 1.9.0 Description Langflow contains a path traversal flaw in the Knowledge Bases API endpoint 'POST /api/v1/knowledge bases'. The issue resides in the create knowledge base function, where the name variable is used t...

2026-06 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5094123)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 .NET 8.0.28 Security Update for x64 Client (KB5097149)

2026-06 .NET 8.0.28 Security Update for x64 Client KB5097149...

2026-06 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 .NET 8.0.28 Security Update for x86 Client (KB5097149)

2026-06 .NET 8.0.28 Security Update for x86 Client KB5097149...

2026-06 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 .NET 10.0.9 Security Update for x64 Client (KB5097148)

2026-06 .NET 10.0.9 Security Update for x64 Client KB5097148...

2026-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5094127)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

2026-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5094127)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

Description of the security update for SharePoint Server 2016 Language Pack: June 9, 2026 (KB5002881)

Description of the security update for SharePoint Server 2016 Language Pack: June 9, 2026 KB5002881 Summary Important: If you're running Microsoft SharePoint Server 2013-type workflows, you must install the August 2025 update for SharePoint Workflow Manager to your farm before you install this...

CVE-2026-8786

A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is...

CVE-2026-40230

Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0...