EUVD-2026-67815

Quivr versions through 0.0.322 fail to validate chat ownership in the GET /chat/chatid/history, DELETE /chat/chatid, and POST /chat/chatid/question/answer endpoints. Authenticated attackers can read other users' conversation histories including private knowledge base content, delete arbitrary...

PYSEC-2026-3640 Open WebUI: Any authenticated user can cancel another user's chat generation via the chat delete endpoint

Summary DELETE /api/v1/chats/id cancelled a chat's in-flight tasks before it checked whether the caller was allowed to delete that chat. Any authenticated user who knew another user's chat id could therefore abort that user's running model response, title generation or tag generation. The deletio...

CVE-2026-70494

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/id handler in backend/openwebui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages...

CVE-2026-70483 Open WebUI: Any authenticated user can cancel another user's chat generation via the chat delete endpoint

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/id cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort...

PT-2026-63438

Name of the Vulnerable Software and Affected Versions Onlook versions prior to 0.2.32 Description An issue exists where authenticated attackers can access and manipulate resources belonging to other users. This occurs because the tRPC API procedures project.get, member.remove, and...

EUVD-2025-6919

Malicious code in bioql PyPI...

Information disclosure

An exploitable information disclosure vulnerability exists in the 'Secret Chats' functionality of Rakuten Viber on Android 9.3.0.6. The 'Secret Chats' functionality allows a user to delete all traces of a chat either by using a time trigger or by direct request. There is a bug in this functionali...

CVE-2017-8769

Facebook WhatsApp Messenger before 2.16.323 for Android uses the SD card for cleartext storage of files Audio, Documents, Images, Video, and Voice Notes associated with a chat, even after that chat is deleted. There may be users who expect file deletion to occur upon chat deletion, or who expect...