CVE-2026-31950 LibreChat's IDOR in SSE Stream Subscription Allows Reading Other Users' Chats

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc2 through 0.8.2-rc3, the SSE streaming endpoint /api/agents/chat/stream/:streamId does not verify that the requesting user owns the stream. Any authenticated user who obtains or guesses a valid stream ID can subscribe and...

CVE-2026-31950 LibreChat's IDOR in SSE Stream Subscription Allows Reading Other Users' Chats

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc2 through 0.8.2-rc3, the SSE streaming endpoint /api/agents/chat/stream/:streamId does not verify that the requesting user owns the stream. Any authenticated user who obtains or guesses a valid stream ID can subscribe and...

GHSA-26GM-93RW-CCHF Open WebUI has unauthorized deletion of knowledge files

Summary An access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin, but NOT that the file actually belongs to this knowledge base. It is thus possible to delete arbitrary files from...

Open WebUI has unauthorized deletion of knowledge files

Summary An access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin, but NOT that the file actually belongs to this knowledge base. It is thus possible to delete arbitrary files from...

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...

GHSA-JJP7-G2JW-WH3J 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-2026-29070

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin,...

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...

PT-2026-28617

Name of the Vulnerable Software and Affected Versions AVideo versions up to and including 26.0 Description The plugin/Live/uploadPoster.php endpoint allows any authenticated user to overwrite the poster image for any scheduled live stream by supplying an arbitrary live schedule id. The endpoint...

CVE-2026-29070

Open WebUI (self-hosted offline AI platform) prior to version 0.8.6 lacks proper access control when deleting files from a knowledge base. The only check is that the user has write access to the knowledge base or is an admin; no verification that the target file belongs to that knowledge base. As...

CVE-2026-29070 Open WebUI has unauthorized deletion of knowledge files

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin,...

CVE-2026-29070 Open WebUI has unauthorized deletion of knowledge files

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the user has write access to the knowledge base or is admin,...

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...

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...

GO-2026-4850 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion in code.vikunja.io/api

Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

GO-2026-4814 New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check in github.com/QuantumNous/new-api

New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check in github.com/QuantumNous/new-api...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the VideoProxy process due to a missing ownership check. An attacker can gain unauthorized access to other users' video content by sending crafted requests that bypass access controls...

CVE-2026-25745

OpenEMR is a free and open source electronic health records and medical practice management application. In versions up to and including 8.0.0, the message/note update endpoint e.g. PUT or POST updates by message/note ID only and does not verify that the message belongs to the current patient or...

CVE-2026-23480

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, any logged-in user can call it; the originalPassword is an optional parameter and if not provided...

CVE-2026-30945

StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.4.0, the DELETE /studiocmsapi/dashboard/api-tokens endpoint allows any authenticated user with editor privileges or above to revoke API tokens belonging to any other user, including admin and owner...