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CVE-2026-82284— Quivr Chat Endpoints Missing Ownership Validation

Quick assessment

Affected
QuivrHQ quivr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Quivr 0.0.322 及更早版本在处理以下接口时未能验证聊天归属权： 、 以及 。 已认证的恶意用户可以： 1. 读取其他用户的对话历史，包括其私有知识库内容； 2. 删除任意聊天会话； 3. 向其他用户的对话中注入伪造的消息。

CVSS 8.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
QuivrHQ quivr ≤ 0.0.322 affected
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I. Basic Information for CVE-2026-82284

Vulnerability Information
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Vulnerability Title
Quivr Chat Endpoints Missing Ownership Validation
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
QuivrHQ quivr 0 ~ 0.0.322 -

II. Public POCs for CVE-2026-82284

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III. Intelligence Information for CVE-2026-82284

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Patches & Fixes for CVE-2026-82284 (1)

Vendor Advisories for CVE-2026-82284 (1)

Proof of Concept for CVE-2026-82284 (1)

Security Blog Posts for CVE-2026-82284 (1)

IV. Related Vulnerabilities

Same product: quivr
Same vendor: QuivrHQ
Same weakness: CWE-639

V. Comments for CVE-2026-82284

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