{"api_version":"1","generated_at":"2026-05-08T10:59:01+00:00","cve":"CVE-2026-42276","urls":{"html":"https://cve.report/CVE-2026-42276","api":"https://cve.report/api/cve/CVE-2026-42276.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-42276","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42276"},"summary":{"title":"Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions","description":"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/{chat_session_id} 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 attacker who knows a chat session UUID can kill another user's LLM generation mid-stream. 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Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/{chat_session_id} 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 attacker who knows a chat session UUID can kill another user's LLM generation mid-stream. This issue has been patched in versions 3.0.9, 3.1.6, and 3.2.6.","Type":"Description","Title":"Onyx: IDOR in /chat/stop-chat-session allows any authenticated u"}]}}}