Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/QuivrHQ/quivr
- https://github.com/QuivrHQ/quivr/blob/v0.0.322/backend/api/quivr_api/modules/cha
- https://github.com/QuivrHQ/quivr/issues/3697
- https://www.vulncheck.com/advisories/quivr-chat-endpoints-missing-ownership-vali
- https://github.com/QuivrHQ/quivr/issues/3697
FAQ
What is CVE-2026-82284?
CVE-2026-82284 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 c...
How severe is CVE-2026-82284?
CVE-2026-82284 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82284?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.