CVE-2026-44554 Open WebUI: Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/retrieval/process/web endpoint accepts a user-supplied collectionname and an overwrite query parameter default: True. It performs no authorization check on whether t...

CVE-2026-44554 Open WebUI: Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/retrieval/process/web endpoint accepts a user-supplied collectionname and an overwrite query parameter default: True. It performs no authorization check on whether t...

EUVD-2026-30623

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via basemodelid: a user-defined model e.g., "Cheap Assistant" can reference an existing base model e.g., "gpt-4-turbo-restricted" that provides...

CVE-2026-44555

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via basemodelid: a user-defined model e.g., "Cheap Assistant" can reference an existing base model e.g., "gpt-4-turbo-restricted" that provides...

CVE-2026-44555 Open WebUI: Base Model Routing Bypasses Access Control via Model Chaining

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via basemodelid: a user-defined model e.g., "Cheap Assistant" can reference an existing base model e.g., "gpt-4-turbo-restricted" that provides...

CVE-2026-44555

Open WebUI (self-hosted AI platform) has a vulnerability where a model created with base_model_id can chain to a restricted base model without validating access to that base model. Before 0.9.0, during model creation, the system does not verify the creator’s permission on the referenced base mode...

CVE-2026-44555 Open WebUI: Base Model Routing Bypasses Access Control via Model Chaining

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via basemodelid: a user-defined model e.g., "Cheap Assistant" can reference an existing base model e.g., "gpt-4-turbo-restricted" that provides...

CVE-2026-44555 Open WebUI: Base Model Routing Bypasses Access Control via Model Chaining

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via basemodelid: a user-defined model e.g., "Cheap Assistant" can reference an existing base model e.g., "gpt-4-turbo-restricted" that provides...

CVE-2026-44560

Open WebUI (self-hosted offline AI platform) contains a vector-search access control flaw in the RAG retrieval path. In get_sources_from_items, non-full-context file/text collection paths can query the vector store without authorization, enabling extraction of content from files and knowledge bas...

CVE-2026-44560 Open WebUI: Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

CVE-2026-44560 Open WebUI: Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

CVE-2026-44560 Open WebUI: Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

CVE-2026-45671 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, 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...

CVE-2026-45671

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, 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...

EUVD-2026-30606

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, 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...

CVE-2026-45671

Open WebUI vulnerability CVE-2026-45671 affects the shared-chat branch in the file authorization path. The has_access_to_file() gate unconditionally returns True for shared-chat references, ignoring the requesting user identity and the operation type. This allows any authenticated user to delete ...

GHSA-44M2-CRH7-F4Q2 Budibase: `PUT /api/datasources/:datasourceId` is protected only by `TABLE/READ` permission instead of builder access, allowing any authenticated app user to overwrite datasource connection parameters including host, port, and URL

Summary Budibase exposes a REST API for datasource management. The route PUT /api/datasources/:datasourceId is registered in the authorizedRoutes group with TABLE/READ permission. This is the same authorization level as the read endpoint GET /api/datasources/:datasourceId. Every authenticated...

Security Bulletin: Common vulnerabilities addressed in Cloudera Base on premises 7.3.2

Summary Security Bulletin: Common vulnerabilities addressed in Cloudera Base on premises 7.3.2 Vulnerability Details CVEID:CVE-2024-45296 DESCRIPTION: path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be...

Security Bulletin: Common Vulnerabilities Addressed in Cloudera Data Platform Private Cloud Base with IBM 7.3.1

Summary Security Bulletin: Common Vulnerabilities Addressed in Cloudera Data Platform Private Cloud Base with IBM 7.3.1 Vulnerability Details CVEID:CVE-2024-50379 DESCRIPTION: Time-of-check Time-of-use TOCTOU Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on...

CVE-2026-43331

A flaw was found in the Linux kernel. When Kernel Coverage KCOV instrumentation is enabled, a local user performing a kexec operation can trigger an invalid state within the x86/kexec component. This invalid state, related to the GS base that KCOV relies on for per-CPU data, causes the kernel to...