CVE-2026-45398 Open WebUI: IDOR - Retrieval API Bypasses Knowledge Base Access Controls

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, validatecollectionaccess checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any...

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...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.5 contained security vulnerabilities. These vulnerabilities stemmed from the collectionaccess verification function not checking the knowledge base collection. As ...

Open WebUI 安全漏洞

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 getsourcesfromitems function, where the execution vectors for paths containing a bare...

Open WebUI's process_files_batch() endpoint missing ownership check, allows unauthorized file overwrite

Summary Any authenticated user can overwrite any file's content by ID through the POST /api/v1/retrieval/process/files/batch endpoint. The endpoint performs no ownership check, so a regular user with read access to a shared knowledge base can obtain file UUIDs via GET /api/v1/knowledge/id/files a...

CVE-2026-28788 Open WebUI's process_files_batch() endpoint missing ownership check, allows unauthorized file overwrite

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can overwrite any file's content by ID through the POST /api/v1/retrieval/process/files/batch endpoint. The endpoint performs no ownership check, so a...

CVE-2026-28788

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can overwrite any file's content by ID through the POST /api/v1/retrieval/process/files/batch endpoint. The endpoint performs no ownership check, so a...

GLPI 安全漏洞

GLPI is an open source IT and asset management software from GLPI Open Source. The software provides a full-featured IT resource management interface that you can use to build databases to fully manage IT computers, monitors, servers, printers, network devices, phones, and even toner and ink...

EUVD-2025-14716

Malicious code in bioql PyPI...

CVE-2025-32357

In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for...

CVE-2025-32357

In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for...

PT-2025-15070 · Zammad · Zammad

Name of the Vulnerable Software and Affected Versions: Zammad versions 6.4.0 through 6.4.1 Description: The issue allows an authenticated agent with knowledge base permissions to use the Zammad API to fetch knowledge base content that they have no permission for. Recommendations: For versions 6.4...

Zammad 安全漏洞

Zammad is a suite of ticket management software from the German company Zammad. A security vulnerability exists in Zammad versions prior to 6.4.2, which stems from an authenticated agent being able to access unprivileged knowledge base content...