CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...