Open WebUI's Model Import Overwrites Any Model Without Ownership Check

Model Import Overwrites Any Model Without Ownership Check Affected Component Model import endpoint: - backend/openwebui/routers/models.py lines 254-308, importmodels Affected Versions Current main branch commit 6fdd19bf1 and likely all versions with model import functionality. Description The POS...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the importmodels process. An attacker can overwrite existing models owned by other users, modify their configuration, and escalate access by submitting crafted payloads to the...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the processweb and processyoutube endpoints when the overwrite parameter is set to true and the collectionname is attacker-controlled. An attacker can overwrite or delete another user...

GHSA-7R82-QHG4-6WVJ Open WebUI has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite Affected Component Retrieval web/YouTube processing endpoints: - backend/openwebui/routers/retrieval.py lines 1810-1837, processweb - backend/openwebui/routers/retrieval.py the parallel processyoutube endpoint -...

Open WebUI has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite Affected Component Retrieval web/YouTube processing endpoints: - backend/openwebui/routers/retrieval.py lines 1810-1837, processweb - backend/openwebui/routers/retrieval.py the parallel processyoutube endpoint -...

GHSA-HR43-RJMR-7WMM Open WebUI's Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts

Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts Affected Component Folder creation endpoint and form model: - backend/openwebui/models/folders.py lines 72-77, FolderForm with extra='allow' - backend/openwebui/models/folders.py lines 95-106,...

CVE-2026-43430

In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which...

UBUNTU-CVE-2026-43430

In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which...

CVE-2026-43430

The issue CVE-2026-43430 affects the Linux kernel USB driver for yurex. A race condition occurs in the probe path where the bbu field is not initialized before the URB completion handler uses it, creating a window during which descriptor data can be overwritten by concurrent probing. This can lea...

PT-2026-39271

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The 'POST /api/v1/retrieval/process/web' endpoint accepts a user-supplied collection name and an overwrite query parameter, which defaults to True. The system fails to perform authorization checks...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the USB Yurex driver’s detection process. During this process, the BBU members are not set to an...

PT-2026-39091

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the usb: yurex probe process. The bbu member of the descriptor is not set to the uninitialized value before the submission of the URB USB Request Block whose...

PT-2026-39267

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Open WebUI is a self-hosted artificial intelligence platform. A mass assignment issue exists where the FolderForm uses a configuration that permits arbitrary fields to pass through Pydantic...

EUVD-2026-28422

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

DEBIAN-CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

UBUNTU-CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...

CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory for example, "/tmp". An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink...