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/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 v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/QuivrHQ/quivr
https://github.com/QuivrHQ/quivr/blob/v0.0.322/backend/api/quivr_api/modules/chat/controller/chat_routes.py
https://github.com/QuivrHQ/quivr/issues/3697
https://www.vulncheck.com/advisories/quivr-chat-endpoints-missing-ownership-validation
https://github.com/QuivrHQ/quivr/issues/3697

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-28 20:20

Updated : 2026-08-28 22:16

NVD link : CVE-2026-82284

Mitre link : CVE-2026-82284

CVE.ORG link : CVE-2026-82284

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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