HIGH 8.6 NVD
CVE-2026-82284
Quivr versions through 0.0.322 fail to validate chat ownership in the GET /chat/{chat_id}/history, DELETE /chat/{chat_id}, and POST /chat/{chat_id}/question/ans
Quivr versions through 0.0.322 fail to validate chat ownership in the GET /chat/{chat_id}/history, DELETE /chat/{chat_id}, and POST /chat/{chat_id}/question/answer endpoints. Authenticated attackers can read other users' conversation histories including private knowledge base content, delete arbitrary chats, and inject fabricated messages into other users' conversations.
References
- https://github.com/QuivrHQ/quivr
- https://github.com/QuivrHQ/quivr/blob/v0.0.322/backend/api/quivr_api/modules/chat/controll
- https://github.com/QuivrHQ/quivr/issues/3697
- https://www.vulncheck.com/advisories/quivr-chat-endpoints-missing-ownership-validation
This high severity vulnerability with a CVSS score of 8.6 was published on 2026-08-28 via NVD.
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