VULNERABILITY INTELLIGENCE
CVE-2026-82284
CVSS score8.1 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-639