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CVE-2026-103250— n8n before 1.123.80, 2.39.6, and 2.40.1 NoSQL Injection via MongoDB Chat Memory

一分钟漏洞结论

影响对象
n8n-io n8n
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。

n8n 在以下版本中存在 NoSQL 注入漏洞:1.123.80 之前的版本、2.0.0 至 2.39.6(不含)之间的版本,以及 2.40.0 至 2.40.1(不含)之间的版本。该漏洞存在于 MongoDB Chat Memory 节点中,由于未对 sessionId 参数进行有效验证,未经身份验证的攻击者可以在 sessionId 字段中注入 MongoDB 查询操作符,从而访问其他用户的对话历史记录,并执行未授权的写入和删除操作。

CVSS 8.1 · High
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一、 漏洞 CVE-2026-103250 基础信息

漏洞信息

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Vulnerability Title
n8n before 1.123.80, 2.39.6, and 2.40.1 NoSQL Injection via MongoDB Chat Memory
来源: CVE Program / CVE List V5
Vulnerability Description
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a NoSQL injection vulnerability in the MongoDB Chat Memory node that fails to validate the sessionId parameter. Unauthenticated attackers can supply MongoDB query operators in the sessionId field to access conversation histories from other users and perform unauthorized write and delete operations.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
n8n-io n8n 0 ~ 1.123.80 -

二、漏洞 CVE-2026-103250 的公开POC

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三、漏洞 CVE-2026-103250 的情报信息

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CVE-2026-103250 其他参考 (2)

同批安全公告 · n8n-io · 2026-10-01 · 共 16 条

CVE-2026-103248 9.0 CRITICAL n8n before 1.123.80, 2.39.6, and 2.40.1 PostgREST Filter Injection via Supabase
CVE-2026-103255 9.0 CRITICAL n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal and Query Injection via Supabase
CVE-2026-103253 8.7 HIGH n8n before 1.123.80, 2.39.6, and 2.40.1 SQL Injection via Oracle Database Drop Table
CVE-2026-103247 8.5 HIGH n8n before 1.123.80 Credential Tampering via Duplicate Node IDs
CVE-2026-103257 7.7 HIGH n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via n8n Node
CVE-2026-103246 7.7 HIGH n8n before 2.39.6 and 2.40.x before 2.40.1 Credential Disclosure via Node-Tool Introspecti
CVE-2026-103252 7.7 HIGH n8n before 1.123.80, 2.39.6, and 2.40.1 Information Disclosure via Credential Test Endpoin
CVE-2026-103249 7.6 HIGH n8n before 1.123.80, 2.39.6, and 2.40.1 Stored DOM XSS via Resource Locator
CVE-2026-103259 7.6 HIGH n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials
CVE-2026-103251 7.1 HIGH n8n before 1.123.80, 2.39.6, and 2.40.1 Package Install Validation Bypass via PubSub
CVE-2026-103256 7.1 HIGH n8n before 2.39.6 and 2.40.x before 2.40.1 Credentials Leak via preAuthentication Hook
CVE-2026-103258 6.8 MEDIUM n8n before 2.39.6 and 2.40.x before 2.40.1 Filter Bypass via Parameter Interpolation
CVE-2026-103254 6.3 MEDIUM n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via Resume URL Generation
CVE-2026-103245 5.3 MEDIUM n8n before 1.123.80, 2.39.6, and 2.40.1 Missing Webhook Signature Verification
CVE-2026-103260 4.0 MEDIUM n8n before 2.39.6 and 2.40.x before 2.40.1 Approval Bypass via Send and Wait Node

IV. Related Vulnerabilities

V. Comments for CVE-2026-103250

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