CVE-2026-65500: Missing Authorization

Unauthenticated Broken Access Control in Manual - Documentation, Knowledge Base & Education WordPress Theme = 7.5.4 versions...

PT-2026-63927

Unauthenticated Cross Site Scripting XSS in Manual - Documentation, Knowledge Base & Education WordPress Theme = 7.5.4 versions...

CVE-2026-65522: Improper Neutralization of Input During Web Page Generation

Contributor Cross Site Scripting XSS in Manual - Documentation, Knowledge Base & Education WordPress Theme = 7.5.4 versions...

July 18, 2026—KB5121767 (OS Builds 26200.8894 and 26100.8894) Out-of-band

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KLA91159 PE vulnerability in Microsoft Products (ESU)

Privilege escalation vulnerability was found in Microsoft Products ESU. Malicious users can exploit this vulnerability to gain privileges. Original advisories CVE-2026-58598 Exploitation CVE list CVE-2026-58598 high KB list 5099539 Solution Install necessary updates from the KB section, that are...

2026-07 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5099539)

2026-07 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems KB5099539...

2026-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5099538)

2026-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems KB5099538...

2026-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5099535)

2026-07 Cumulative Update for Windows Server 2016 for x64-based Systems KB5099535...

2026-07 .NET 8.0.29 Security Update for x86 Client (KB5104032)

2026-07 .NET 8.0.29 Security Update for x86 Client KB5104032...

2026-07 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5099535)

2026-07 Cumulative Update for Windows 10 Version 1607 for x86-based Systems KB5099535...

2026-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5099538)

2026-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems KB5099538...

Security Bulletin: Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

Summary Langflow provides a visual interface for constructing and executing AI-powered agent workflows, exposing HTTP API endpoints for flow execution, file management, vector store operations, and Model Context Protocol MCP server configuration. An attacker could exploit insufficient validation...

Description of the security update for Office 2016: July 14, 2026 (KB5002273)

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July 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5100990)

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PYSEC-2026-2750 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

SummaryOpen 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...

Open WebUI: RAG ACL Bypass in Milvus Multitenancy Mode

RAG ACL Bypass in Milvus Multitenancy Mode SummaryThis 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...

PYSEC-2026-2721 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...

PYSEC-2026-2692 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Summary Any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

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 SummaryMultiple 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...