Open WebUI security vulnerabilities

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 validatecollectionaccess function using an incomplete list of allowed collections. Onl...

CVE-2026-42048

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048 Langflow: Path Traversal in Langflow Knowledge Bases API

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048

Langflow prior to 1.9.0 is vulnerable to path traversal in the Knowledge Bases API (DELETE /api/v1/knowledge_bases) due to user-supplied kb_names being concatenated into file paths. The issue stems from building paths manually and passing them to deletion without proper normalization, enabling an...

CVE-2026-42048

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048 Langflow: Path Traversal in Langflow Knowledge Bases API

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048 Langflow: Path Traversal in Langflow Knowledge Bases API

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

CVE-2026-42048: Improper Limitation of a Pathname to a Restricted Directory

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 DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths withou...

GHSA-H36F-RQPX-J5WX Open WebUI has Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Unauthorized File and Knowledge Base Content Access via RAG Vector Search Affected Component RAG source resolution in chat completion pipeline: - backend/openwebui/retrieval/utils.py lines 963-965, 1063-1068, 1126-1131 in getsourcesfromitems Affected Versions Current main branch commit 6fdd19bf1...

Open WebUI has Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Unauthorized File and Knowledge Base Content Access via RAG Vector Search Affected Component RAG source resolution in chat completion pipeline: - backend/openwebui/retrieval/utils.py lines 963-965, 1063-1068, 1126-1131 in getsourcesfromitems Affected Versions Current main branch commit 6fdd19bf1...

GHSA-6C2X-GCP3-GP73 Open WebUI vulnerable to Global Knowledge Base Enumeration via knowledge-bases Meta-Collection

Global Knowledge Base Enumeration via knowledge-bases Meta-Collection Affected Component Retrieval collection access validation: - backend/openwebui/routers/retrieval.py lines 2330-2355, validatecollectionaccess - backend/openwebui/routers/retrieval.py query endpoints, e.g. POST /query/doc Affect...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization via the validatecollectionaccess function. An attacker can obtain sensitive metadata, such as IDs, names, and descriptions of all knowledge bases across users, by sending crafted API...

Open WebUI vulnerable to Global Knowledge Base Enumeration via knowledge-bases Meta-Collection

Global Knowledge Base Enumeration via knowledge-bases Meta-Collection Affected Component Retrieval collection access validation: - backend/openwebui/routers/retrieval.py lines 2330-2355, validatecollectionaccess - backend/openwebui/routers/retrieval.py query endpoints, e.g. POST /query/doc Affect...

PT-2026-39274

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The validate collection access function employs an incomplete allowlist that only verifies ownership for collections starting with user-memory- and file-. Other collection names, such as the...

Langflow Knowledge Bases API is Vulnerable to Path Traversal

Summary Langflow is vulnerable to Path Traversal in the Knowledge Bases API DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths without proper sanitization or boundary validation. An authenticated attacker can exploit thi...

GHSA-9WHX-C884-C68Q Langflow Knowledge Bases API is Vulnerable to Path Traversal

Summary Langflow is vulnerable to Path Traversal in the Knowledge Bases API DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths without proper sanitization or boundary validation. An authenticated attacker can exploit thi...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization due to missing validation in the removefilefromknowledgebyid function. An attacker can delete arbitrary files from other users' knowledge bases by providing the file ID, even if the file...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the GetKnowledgeBaseByID function. An attacker can access and duplicate sensitive data from other tenants by providing the identifier of a knowledge base belonging to a different...

SolarWinds Web Help Desk security vulnerabilities

SolarWinds Web Help Desk is a service desk and asset management software provided by the American company SolarWinds. This software supports centralized knowledge bases, IT asset management, project and task management functions. There is a security vulnerability in SolarWinds Web Help Desk, whic...