CVE-2026-82284EPSS p20.9%
CVE-2026-82284CVE-2026-82284
Description
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.
Scoring
| CVSS | 8.1 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 0.30% probability of exploitation · percentile 20.9% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-23 |