CVE-2026-86867— Cinnamon kotaemon 多用户聊天授权不当漏洞
一分钟漏洞结论
影响对象
Cinnamon AI Kotaemon
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Cinnamon's Kotaemon (all versions up to and including v0.12.0) multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in that load a Conversation record by its ID
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Cinnamon AI | Kotaemon | 0.12.0 |
affected |
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一、 漏洞 CVE-2026-86867 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Cinnamon's kotaemon contains improper authorization checks in multi‑user chat handlers
来源: CVE Program / CVE List V5
Vulnerability Description
Cinnamon's Kotaemon (all versions up to and including v0.12.0) multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in `libs/ktem/ktem/pages/chat/control.py` that load a Conversation record by its ID without comparing the requester's `user_id` to the conversation's owner `Conversation.user`. This allows any authenticated user to perform the following actions:
1. Read other user's chat transcripts, RAG retrieval history, AI-generated plots, and chat suggestions.
2. Permanently delete another user's conversation.
3. Rename another user's conversation.
4. Overwrite another user's conversation's chat suggestion list.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Cinnamon AI | Kotaemon | 0.12.0 | - |
|
二、漏洞 CVE-2026-86867 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
未找到公开 POC。
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CVE-2026-86867 厂商安全公告 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-86867
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